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See detailHeat recovery and reversible heat pumping potentials in non-residential buildings
Bertagnolio, Stéphane ULg; Lebrun, Jean; Andre, Philippe ULg et al

Conference (2008, September)

Detailed reference viewed: 25 (6 ULg)
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See detailCorrelation law for SMD in high viscous liquids
Vetrano, Maria-Rosaria; Lebeau, Frédéric ULg; Rambaud, Patrick et al

Conference (2008, September)

Spray characterization, i. e. a velocity map of the liquid and gaseous phases and the sizing of the liquid droplet, remains of a great importance in different industrial applications such as in the ... [more ▼]

Spray characterization, i. e. a velocity map of the liquid and gaseous phases and the sizing of the liquid droplet, remains of a great importance in different industrial applications such as in the automotive or pharmaceutical industries. Correlations capable to faster this characterization already exist. They allow the evaluation of the droplet Sauter Mean Diameter in a precise location of the spray using non-dimensional numbers involving physical and chemical properties of the liquid and the spray operative conditions. This paper concerns the possibility to include in the correlative laws also the effect of the liquid viscosity through the introduction of the Ohnesorge number (Oh). In order to achieve this goal an extensively experimentalcampaign is performed, by means of a Phase Doppler Interferometer, for size and velocity measurements in a full cone spray. Parameters as the hydraulic diameter of the nozzle, the operatingpressure and the liquid viscosity are varied in order to cover large range of Weber and Ohnesorge numbers. [less ▲]

Detailed reference viewed: 13 (0 ULg)
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See detailDC magnetron sputtering deposition of titanium oxide nanoparticles : influence
Dreesen, Laurent ULg; Cecchet, Francesca; Lucas, Stéphane

Conference (2008, September)

Detailed reference viewed: 19 (4 ULg)
See detailControl of floral transition in maize
Van Kerkhoven, Fabrizio ULg; D'Aloia, Maria ULg; Périlleux, Claire ULg

Conference (2008, September)

Flowering time in plants is controlled by a number of environmental factors, among which photoperiod plays a key role. Maize ancestors are short-day (SD) plants, but breeding programs have selected ... [more ▼]

Flowering time in plants is controlled by a number of environmental factors, among which photoperiod plays a key role. Maize ancestors are short-day (SD) plants, but breeding programs have selected genotypes whose flowering is largely autonomous and occurs after production of a constant number of leaves regardless of photoperiod. Only few flowering time genes have been identified in maize; one of them is INDETERMINATE1 (ID1), cloned from a late-flowering mutant and encoding a zinc finger transcription factor. By contrast, the genetical control of flowering by photoperiod is best understood in the long-day (LD) dicot Arabidopsis and the SD monocot rice. A key regulator is the CONSTANS gene that mediates between the circadian clock – the time-keeper of the plant – and the synthesis of flowering signals. Here we report the analysis of a CONSTANS homolog in maize, ZmCO, in SD and in LD, and in different parts of the plant. Expression of ZmCO was found to be rhythmic and to be much higher in young leaf primordia than in mature leaf blades. Striking coincidence was observed with expression of ID1. [less ▲]

Detailed reference viewed: 52 (8 ULg)
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See detailThe mining work of children under methodological plurality
Andre, Géraldine ULg; Godin, Marie; Mrsic-Garac, Sonia

Conference (2008, September)

Detailed reference viewed: 11 (1 ULg)
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See detailMODELLING OF A DOMESTIC GAS-FIRED CONDENSING BOILER
Makaire, Danielle ULg; Ngendakumana, Philippe ULg

Conference (2008, September)

Nowadays, condensing technology is widely used in domestic heating. This paper presents a model that simulates the performance in steady-state regime of a domestic gas-fired condensing boiler. The model ... [more ▼]

Nowadays, condensing technology is widely used in domestic heating. This paper presents a model that simulates the performance in steady-state regime of a domestic gas-fired condensing boiler. The model is similar to a conventional boiler model with a dry heat exchanger at which a wet heat exchanger is added to simulate the heat recovered by condensation. Experimental parameters are used to simulate the different components. The model has been applied to a 24 kW gas-fired condensing boiler test bench available in the laboratory. According to the experimental results (at full load), the model predicts correctly the thermal efficiency of the boiler. Indeed, calculated values are in good agreement with measured values. [less ▲]

Detailed reference viewed: 131 (8 ULg)
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See detailTests and design of stainless steel lipped channel section columns
Rossi, Barbara ULg

Conference (2008, September)

Detailed reference viewed: 7 (0 ULg)
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See detailEffect of liming on the convective drying of urban residual sludges
Huron, Yoland; Salmon, Thierry ULg; Crine, Michel ULg et al

Conference (2008, September)

Detailed reference viewed: 42 (5 ULg)
Peer Reviewed
See detailPathology of influenza virus H5N1 infection in resistant and susceptible laboratory mice.
Garigliany, Mutien-Marie ULg; Cloquette, Karine; Leroy, Michaël et al

Conference (2008, September)

Detailed reference viewed: 3 (0 ULg)
Peer Reviewed
See detailInfluence of rhizosphere-specific parameters on surfactin production by Bacillus subtilis.
Nihorimbere, V.; Fickers, P.; Thonart, Philippe ULg et al

Conference (2008, September)

Detailed reference viewed: 10 (0 ULg)
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See detailAn Ordovician cryptospore and trilete spore assemblage from Saudi Arabia
Steemans, Philippe ULg; Wellman, C. H.; Miller, M. et al

Conference (2008, August 30)

Detailed reference viewed: 31 (5 ULg)
See detailLa "Joconde" de Léonard de Vinci et sa description par Giorgio Vasari
Fagnart, Laure ULg

Conference (2008, August 28)

Detailed reference viewed: 41 (1 ULg)
Peer Reviewed
See detailFixed discrimination factors in diet reconstruction?
Caut, Stéphane; Das, Krishna ULg

Conference (2008, August 25)

Detailed reference viewed: 5 (0 ULg)
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See detailConception d'une typologie des actes et services professionels offerts par les psychologues belges.
Côte, Virginie; Mormont, Marie; Hansez, Isabelle ULg

Conference (2008, August 22)

Detailed reference viewed: 13 (2 ULg)
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See detailFemmes entrepreneures et formation à distance : Quel impact sur leur sentiment d’efficacité personnelle? Etude du cas ELFE
Constantinidis, Christina ULg

Conference (2008, August 20)

Cette communication s’inscrit dans le cadre du projet Elfe et vise à évaluer l’impact d’une formation à distance pour femmes créatrices et chefs d’entreprise sur leur sentiment d’efficacité personnelle ... [more ▼]

Cette communication s’inscrit dans le cadre du projet Elfe et vise à évaluer l’impact d’une formation à distance pour femmes créatrices et chefs d’entreprise sur leur sentiment d’efficacité personnelle, tel que défini par Bandura (1997). Nous situons notre intervention par rapport aux premier et deuxième niveaux d’évaluation d’une formation selon Kirkpatrick (1983), se rapportant respectivement à la satisfaction des apprenants et à leurs acquis, avec une attention particulière au sentiment d’efficacité personnelle. Notre méthodologie de recherche qualitative est basée sur dix études de cas approfondies auprès de femmes futures créatrices et chefs d’entreprise. Les résultats en termes de satisfaction des apprenantes sont nuancés et mettent en évidence différents éléments de contexte. Par contre, l’étude révèle qu’au terme de la formation à distance, les femmes entrepreneures de notre échantillon ont vu leur sentiment d’efficacité personnelle augmenter. Nous identifions différents facteurs explicatifs. Enfin, l’analyse met en évidence certains éléments relatifs au troisième niveau de Kirkpatrick, le transfert sur le terrain, ouvrant ainsi la route à de nouvelles pistes de recherche. Les implications managériales sont importantes. En effet, il nous semble crucial que notre formation s’inscrive dans une vision à long terme et, au-delà de développer les connaissances et compétences, contribue aussi et surtout à renforcer le sentiment d’efficacité personnelle des apprenantes par rapport à leurs capacités entrepreneuriales, facteur déterminant pour la performance présente et future de leurs entreprises. [less ▲]

Detailed reference viewed: 85 (15 ULg)
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See detailQuels enseignements retenir de l’évaluation des compétences documentaires des étudiants qui accèdent à l’enseignement supérieur en Communauté française de Belgique ?
Pochet, Bernard ULg; Thirion, Paul ULg

Conference (2008, August 13)

Cette enquête est une adaptation d’une étude équivalente réalisée, en 2002, au Québec. Le questionnaire comporte 20 questions réparties en 5 thèmes représentant les étapes de la recherche documentaire ... [more ▼]

Cette enquête est une adaptation d’une étude équivalente réalisée, en 2002, au Québec. Le questionnaire comporte 20 questions réparties en 5 thèmes représentant les étapes de la recherche documentaire. Elle vise à connaître le niveau de compétences documentaires des étudiants qui arrivent dans l’enseignement supérieur, vérifier l’adéquation de celui-ci avec la perception qu’en ont les formateurs et identifier les lacunes afin de permettre d’améliorer les formations. 31 établissements d'enseignement universitaire et non universitaire ont accepté de participer à l’étude. Le questionnaire québécois adapté à la situation belge a été envoyé en septembre 2007 à un échantillon aléatoire de 4388 étudiants accédant pour la première fois à l'enseignement supérieur. Le taux de retour s’élève à 42,57%. Après analyse, il apparaît que comme au Québec, la moyenne des résultats est faible (7,67/20). Outre diverses variables sociologiques, certaines caractéristiques des étudiants sont en lien direct avec le niveau de performance, notamment la fréquentation d'une bibliothèque dans l'enseignement secondaire, le choix d'option dans le secondaire ou le choix actuel d’étude. A contrario, l'utilisation d'Internet ne semble pas favoriser la compétence informationnelle des étudiants. Ces observations confirment la nécessité de proposer des formations aux étudiants pour leur permettre d’atteindre les compétences requises par le métier d’étudiant. Les lacunes observées vont permettre d’adapter les formations existantes. L'étude doit se poursuivre pour évaluer l’impact réel des formations documentaires proposées. [less ▲]

Detailed reference viewed: 201 (62 ULg)
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See detailImportance of the microbenthic loop of Posidonia oceanica meadows to detect anthropogenic perturbations early: first results
Pete, Dorothée ULg; Velimirov, Branko; Bouquegneau, Jean-Marie ULg et al

Conference (2008, August)

It was demonstrated that Posidonia oceanica, the marine magnoliophyte endemic to the Mediterranean Sea, is a valuable tool to assess environmental qualities of the coastal zones. However, only few studies ... [more ▼]

It was demonstrated that Posidonia oceanica, the marine magnoliophyte endemic to the Mediterranean Sea, is a valuable tool to assess environmental qualities of the coastal zones. However, only few studies have attempted to use characteristics of its sediment compartment as an indicator of the environment state of health. Yet, organisms living in this compartment have a turnover which is faster than for canopy-organisms which makes them useful as valid early descriptors of pollution. The study described here takes place in a project which aims to find an early holistic indicator of anthropogenic perturbations in the Mediterranean coastal zones. The investigation is based on the microbenthic loop (organic matter, bacteria, microphytobenthos and meiofauna) and was led in two different sites of Calvi Bay (Corsica, France), at 10 m depth, in March and June 2007. Only results about bacteria (abundance, biomass, morphotypes), microphytobenthos (biomass) and organic matter (biomass) will be presented. For both seasons, significant differences between sites are found, irrespective on whether variables are treated separately or together, thus indicating that the microbenthic loop has potential to be a good early indicator of pollution. [less ▲]

Detailed reference viewed: 36 (9 ULg)
See detailPreliminary results on the behavioural-ecology of a long-tailed macaque (Macaca fascicularis) population in disturbed urban habitats, Bangkok (Thailand)
Brotcorne, Fany ULg; Huynen, Marie-Claude ULg; Savini, Tommaso ULg

Conference (2008, August)

In many tropical regions of the world, humans and nonhuman primates share habitats, and their interactions are increasingly common. As a result, human presence has an important impact on the demography ... [more ▼]

In many tropical regions of the world, humans and nonhuman primates share habitats, and their interactions are increasingly common. As a result, human presence has an important impact on the demography, behaviour, and overall ecology of the nonhuman primates’ populations. More specifically, the increasing human pressure represents a critical danger for the survival of most primate species, often leading to the local extinction of entire populations. However, some primate species show a high degree of plasticity when facing human disturbance, and even adapt their ecological behaviour to heavily modified urban areas. Our research project, in collaboration with the City of Bangkok, focuses on long-tailed macaques (Macaca fascicularis), a species distributed throughout all Southeast Asia, and showing a great ability to adapt to urban habitat. The goal of our study is to define the impact of urbanized habitat fragments on the social interaction and reproductive patterns of the macaque populations, in order to design sustainable management plans and reduce conflicts with local human populations. We present preliminary results from a 4 month study period (May to August 2007) on a large semi-provisioned troop living in the South of Bangkok suburban area. Data were collected via instantaneous scan sampling for activity budget, and focal sampling for diet, while aggressive and sexual interactions within the group were noted ad libitum. The study group, 128 animals (10 males, 6 subadults, 48 females of whom 39 with an infant, and 64 juveniles) appears to use an area highly disturbed by of human activities. In the coming year we plan to extend our observations to a second troop inhabiting an estimated area of 5 km2 of pristine mangrove with an ongoing forest regeneration project. [less ▲]

Detailed reference viewed: 27 (2 ULg)
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See detailVariability of edaphic conditions in metal-contaminated sites at multiple scales. Two case studies in temperate and tropical environments
Colinet, Gilles ULg; Leclercq, Julie; Faucon, Michel-Pierre et al

Conference (2008, August)

In numerous places, mining and ore treatment activities have generated environmental contaminations which endanger ecosystem viability and/or human health. In some places, the ecological pressure induced ... [more ▼]

In numerous places, mining and ore treatment activities have generated environmental contaminations which endanger ecosystem viability and/or human health. In some places, the ecological pressure induced by the metal contaminations allowed the development a specific flora, fromwhich candidates for phytoremediation may be selected. A survey of edaphic conditions prevailing for plant growing in contaminated areas around metal smelters has been conducted in belgian calaminary sites (Zn, Pb, Cd contaminations) and in the Katanga province of RDC (Cu contaminations). As the processes generated by the modifications of the soil environment may affect the form of a trace element, that is its distribution through various pools, we investigated physical and chemical fractionation of some metallic trace elements (Cu, Zn, Pb, and Cd) in soils and compared temperate and tropical cases. The results stress the need for a typology of the contaminations that takes into account the classical pedological parameters, even if contaminated sites are far from classical soil environment. The variability of edaphic properties that can occur within small distances is also an important point to consider when planning rehabilitation operations. [less ▲]

Detailed reference viewed: 90 (8 ULg)
See detailEquine joint assessment: the role of ultrasound
Busoni, Valeria ULg

Conference (2008, August)

The presentation was a key-note talk about the use of ultrasonography in the assessment of equine joints.

Detailed reference viewed: 27 (5 ULg)
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See detailMorphological processing in developing readers: a visual word recognition study in French
Quemart, Pauline ULg; Casalis, Séverine

Conference (2008, August)

Detailed reference viewed: 11 (3 ULg)
See detailDiagnostic difficulties in equine tendon ultrasonography
Busoni, Valeria ULg

Conference (2008, August)

This presentation was a key-note talk about main diagnostic difficulties encountered by the radiologists while using ultrasonography for the assessment of the proximal suspensory ligament and the distal ... [more ▼]

This presentation was a key-note talk about main diagnostic difficulties encountered by the radiologists while using ultrasonography for the assessment of the proximal suspensory ligament and the distal portion of the deep digital flexor tendon. [less ▲]

Detailed reference viewed: 28 (4 ULg)
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See detailStakeholders' Involvement as CSR analyser
El Abboubi, Manal ULg; Cornet, Annie ULg

Conference (2008, August)

Detailed reference viewed: 34 (7 ULg)
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See detailIn Situ Testing of Large Machines: Alternative Methods for Radiated Emission Measurements
Catrysse, Johan; Vanhee, Filip; Knockaert, Jos et al

Conference (2008, August)

On the legal aspect, the new European Directive on ElectroMagnetic Compatibility 2004/108/EC concerns also large machines. On a technical point of view, the special situation to characterise the EMC ... [more ▼]

On the legal aspect, the new European Directive on ElectroMagnetic Compatibility 2004/108/EC concerns also large machines. On a technical point of view, the special situation to characterise the EMC behaviour of large machines imply that current procedures are complex and very expensive, and in some cases even not possible. Adapted measuring methodologies and procedures are needed. As a response to this situation and within the European R&D Frameworks, the TEMCA2 project aimed to develop new and adapted methodologies for the assessment of EMC related to this type of industrial large machinery. [less ▲]

Detailed reference viewed: 56 (0 ULg)
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See detailThe Shoah: Its Pedagogical Impact on Current Documentary in Belgium
Van Cauwenberge, Geneviève ULg

Conference (2008, August)

Detailed reference viewed: 23 (4 ULg)
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See detailAnalysis of ergosterol and the main Alternaria mycotoxins in cereals from endemic and non endemic KBD areas in TAR
Lognay, Georges ULg; Denis, Quentin; Chasseur, Camille et al

Conference (2008, August)

Detailed reference viewed: 41 (1 ULg)
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See detailIn Situ Testing of Large Machines: Alternative Methods for Conducted Emission Measurements
Catrysse, Johan; Vanhee, Filip; Knockaert, Jos et al

Conference (2008, August)

On the legal aspect, the new European Directive on ElectroMagnetic Compatibility 2004/108/EC concerns also large machines. On a technical point of view, the special situation to characterise the EMC ... [more ▼]

On the legal aspect, the new European Directive on ElectroMagnetic Compatibility 2004/108/EC concerns also large machines. On a technical point of view, the special situation to characterise the EMC behaviour of large machines imply that current procedures are complex and very expensive, and in some cases even not possible. Adapted measuring methodologies and procedures are needed. As a response to this situation and within the European R&D Frameworks, the TEMCA2 project aimed to develop new and adapted methodologies for the assessment of EMC related to this type of industrial large machinery. [less ▲]

Detailed reference viewed: 48 (1 ULg)
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See detailKBD is an agro-environmental disease: The south central Tibet input
Haubruge, Eric ULg; Chasseur, Camille; Lognay, Georges ULg et al

Conference (2008, August)

Detailed reference viewed: 20 (5 ULg)
Peer Reviewed
See detailTeaching Egyptian: a balance between philology and linguistics?
Winand, Jean ULg

Conference (2008, July 20)

Detailed reference viewed: 16 (1 ULg)
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See detailRoles and composition of nonprofit boards: a dynamic vision
Rijpens, Julie ULg; Mertens de Wilmars, Sybille ULg

Conference (2008, July 11)

For decades, scientific literature identifies the roles that a nonprofit board should assume, adopting too often a normative and static view on the issue. If a clear view is absolutely desirable, we ... [more ▼]

For decades, scientific literature identifies the roles that a nonprofit board should assume, adopting too often a normative and static view on the issue. If a clear view is absolutely desirable, we refuse to endorse simplistic views on governance. Indeed, the heterogeneity of nonprofit organizations, the diversity of governance mechanisms, the fact that external and internal pressures do design governance models and the importance of time factor lead us to consider that governance models cannot be established once and for all but have to be thought in a dynamic process. The model that we present here underlies a dynamic vision of the roles and the composition of nonprofit boards. [less ▲]

Detailed reference viewed: 86 (8 ULg)
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See detailEvaluation of the treatment of septic arthritis by arthrotomy in calves
Sartelet, Arnaud ULg; Touati, Kamal ULg

Conference (2008, July 10)

Detailed reference viewed: 75 (28 ULg)
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See detailCrooked tail and muscular hypertrophy syndrome, an emerging inherited defect in Belgian blue breed
Sartelet, Arnaud ULg; Dive, Marc; Touati, Kamal ULg et al

Conference (2008, July 10)

Detailed reference viewed: 249 (27 ULg)
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See detailChronic septic arthritis of the carpus : Surgical approach
Touati, Kamal ULg; Sartelet, Arnaud ULg

Conference (2008, July 10)

Detailed reference viewed: 54 (13 ULg)
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See detailFair Trade organizations as examples of social enterprises? Evidence from four European regions
Huybrechts, Benjamin ULg

Conference (2008, July 09)

Given their multidimensional missions, combining economic, social and sometimes political dimensions, FTOs have been proposed quite early as examples of “social enterprise” (SE). Such link has been made ... [more ▼]

Given their multidimensional missions, combining economic, social and sometimes political dimensions, FTOs have been proposed quite early as examples of “social enterprise” (SE). Such link has been made in a particularly explicit way in the United Kingdom, by both academics (e.g. Martin and Osberg, 2007; Nicholls, 2006) and practitioners. Following Dart (2004), the trend for FTOs to depict themselves (and to be depicted) as SEs probably stems from a research of legitimacy towards an environment that promotes values of entrepreneurship and innovation. However, if FTOs are considered as obvious examples of SE, there still needs to be explained carefully why this is the case, and to what extent. Is it the involvement in FT that makes the enterprises “social”, or is it a set of particular organisational characteristics shared by most FTOs, or is it a combination of both? If the fact of “doing Fair Trade” is not a sufficient criterion to generate a SE dynamics – as we believe it –, then what is it in FTOs that makes these organisations eligible as SEs? The answers to these questions are closely linked to the framework used to define SE. While we try to consider different conceptualisations of SE in our analysis (part 1), we pay a special attention to the “multiple goal” and “multiple stakeholders” features put forward by the authors of the “EMES network”. In part 2, we recall the basics of the FT concept and the historical evolution of the movement. We then present our empirical data on FTOs in four European regions. Finally, we confront these data to some of the SE features identified in the literature (part 3). In this analysis, we particularly try to examine to what extent FTOs pursue multiple goals and involve multiple stakeholders, and how such organisational characteristics could be linked to each other and to other features such as resources, age and size. [less ▲]

Detailed reference viewed: 71 (4 ULg)
See detailCALUX bioassays
Scippo, Marie-Louise ULg

Conference (2008, July 08)

Detailed reference viewed: 16 (2 ULg)
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See detailDe l’écran global à l’écran total. Le cinéma mis à la rue
Tomasovic, Dick ULg

Conference (2008, July 06)

Detailed reference viewed: 5 (0 ULg)
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See detailAre foreign profitability disclosures value-relevant ? Disaggregation resolves the puzzle
Muller, Aline ULg; Joliet, Robert

Conference (2008, July 05)

Detailed reference viewed: 5 (0 ULg)
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See detailJanet Frame's Bestiary
Delrez, Marc ULg

Conference (2008, July 04)

Frame’s concern with animals is multifaceted and represents, in some of its manifestations, one of the more challenging aspects of her work. Indeed her valorisation of animal life seems inseparable from ... [more ▼]

Frame’s concern with animals is multifaceted and represents, in some of its manifestations, one of the more challenging aspects of her work. Indeed her valorisation of animal life seems inseparable from her preoccupation with death and from her belief in the need for human beings to embark on a course in ‘death education’. Such a thematic collocation may be unexpected but it is not unique to Frame – witness the comment of Elizabeth Costello, a fictional novelist and animal rights activist in J. M. Coetzee’s eponymous publication, to the effect that ‘if we are capable of thinking our own death, why on earth should we not be capable of thinking our way into the life of a bat?’ The reverse, then, may also be true, and in Frame’s work it is posited that the imaginative challenge represented by animals is relevant, however laterally, to an illumination of the experience of death. In other words Frame’s altruistic receptiveness to alternative sensations of being is not subordinated primarily, as in Coetzee, to a militant struggle against the abuse of animals by human beings, to be fought in the real world; instead, the New Zealand writer privileges aesthetic considerations, as the lives of animals are placed in her work under the magnifying glass of the artist’s attention, with the result that the ability to disentangle deceptive taxonomies emerges as another hallmark of genuine creativity as she sees it. This is why Frame quotes the words of André Malraux: ‘It looks like a very simple thing to see a man where there is a man, and not a camel, a horse, or spider’. The not-so-simple implication is that, beyond traditional categories of vision, there is room for in-depth modes of perception that will shuffle and blur taken-for-granted ontologies. My intention is to explore this concern which is pervasive in Frame’s work, but also to have a look particularly at her recent, posthumous publication, Towards Another Summer (2007), where the protagonist imagines herself as a migratory bird. [less ▲]

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See detailDynamic Hedge Fund Style Analysis with Errors-in-Variables
Bodson, Laurent ULg; Hübner, Georges ULg; Coën, Alain

Conference (2008, July)

This paper revisits the traditional return-based style analysis (RBSA) in presence of time-varying exposures and errors-in-variables (EIV). We first apply a selection algorithm using the Kalman filter to ... [more ▼]

This paper revisits the traditional return-based style analysis (RBSA) in presence of time-varying exposures and errors-in-variables (EIV). We first apply a selection algorithm using the Kalman filter to identify the more appropriate benchmarks for the analyzed fund return. Then, we compute their corresponding higher moment estimated errors-in-variables, i.e. the measurement error series introducing the (cross) moments of order three and four. We adjust the selected benchmarks by subtracting their higher moments estimated EIV from the initial return series, to obtain an estimate of the true uncontaminated benchmarks. We finally run the Kalman filter on these adjusted regressors. Analyzing EDHEC alternative indexes styles, we show that this technique improves the factor loadings and permits to identify more precisely the return sources of the considered hedge fund strategy. [less ▲]

Detailed reference viewed: 72 (41 ULg)
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See detailCommunity-Based Health Insurance Schemes in Africa: Which Factors Really Induce Membership ?
Defourny, Jacques ULg; Failon, Julie ULg

Conference (2008, July)

Health micro-insurance systems have experienced a fast development for some fifteen years in sub-Saharan Africa as a means of improving the access of the poor to healthcare services. The present article ... [more ▼]

Health micro-insurance systems have experienced a fast development for some fifteen years in sub-Saharan Africa as a means of improving the access of the poor to healthcare services. The present article focuses mainly on community-based health insurance (CBHI) systems, as they currently constitute one of the most developed forms of health micro-insurance. However, it must be acknowledged that the enrolment rates remain particularly weak and coverage of the target population only rarely reaches 10%. Several authors have already observed this fact and undertaken research on the factors which influence enrolment. Nevertheless, the methodologies used, size of the samples, characteristics of the surveyed individuals, inclusion or not of non-members in the surveys, geographical areas etc. vary a lot from one author to the other. This is why this article aims at synthesizing the empirical studies carried out to date and to identify major concurring results beyond methodological differences. We finally come out with two factors which seem to play a major role and six others which seem to have a significant influence on enrolment, while surveys do not confirm the role of various other variables. We conclude with some lessons regarding the roles of the promoters and supporting NGOs in the establishment of CBHI schemes. [less ▲]

Detailed reference viewed: 186 (22 ULg)
See detailStochastic Modal Analysis of Structures with Random Shape Using X-FEM
Lepage, Séverine; Van Miegroet, Laurent ULg; Duysinx, Pierre ULg

Conference (2008, July)

Detailed reference viewed: 42 (2 ULg)
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See detailUpstream migration of fish at natural obstructions and fish passes efficiency in Southern Belgium.
Ovidio, Michaël ULg; Orban, Patrice; Lambot, Francis et al

Conference (2008, July)

Fragmentation of rivers by physical obstacles has resulted in the drastic range reduction or extinction of numerous diadromous and potadromous species of fish worldwide. In order to implement to partially ... [more ▼]

Fragmentation of rivers by physical obstacles has resulted in the drastic range reduction or extinction of numerous diadromous and potadromous species of fish worldwide. In order to implement to partially or completely re-establish the free movements of fish in the entire watercourse, the Walloon regional government (Southern Belgium) initiated an integrated restoration project whose objectives are 1) To perform a complete inventory of all obstacles that may potentially interfere with the longitudinal connectivity and the free movements of fish, 2) To test, using radio telemetry, the ability of representative fish species (Salmonidae, Thymallidae, Cyprinidae, Esocidae and Cottidae) to clear different typologies of physical obstacles, 3) To determine the problematic sites that should be improved with priority. 4) To construct fish passage facilities and to examine their biological efficiencies. During our talk we will synthesize the results of ten years of research and define the different options for the future. [less ▲]

Detailed reference viewed: 42 (4 ULg)
See detailInsertion de compétences managériales dans la magistrature belge: les conseillers en ressources humaines.
Delvaux, David ULg

Conference (2008, July)

Cela fait maintenant près de dix ans que la justice et les tribunaux belges sont le théâtre de profondes mutations. Qu’ils s’appellent Octopus, Coppernic ou plus récemment Thémis, ces plans ou accords ont ... [more ▼]

Cela fait maintenant près de dix ans que la justice et les tribunaux belges sont le théâtre de profondes mutations. Qu’ils s’appellent Octopus, Coppernic ou plus récemment Thémis, ces plans ou accords ont tous un sens commun réformateur: la modernisation de la Justice. Longtemps préservées de préoccupations organisationnelles et managériales, la Justice est aujourd’hui confrontée à des exigences d’efficacité et d’efficience, indicateurs modernes de qualité. Pour mener à bien ce processus de modernisation, un arsenal de moyens de différentes natures ont été développés. Dans le cadre de protocoles d’accords visant à réduire l’arriéré judiciaire, des conseillers en ressources humaines ont fait leur apparition dans nos juridictions. Porteurs de compétences managériales, ils ont pour mission d’épauler le chef de corps dans sa gestion quotidienne de la juridiction, dans le cadre d’une politique publique de rationalisation des pratiques judiciaires. Cette communication sera consacrée à l’insertion, par l’Etat, de compétences managériales – incarnées par ces conseillers en ressources humaines -au sein d’un corps organisé et doté d’une forte culture professionnelle historiquement ancrée, celui de la magistrature. [less ▲]

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See detailPolitical Discourses for Global Audiences: The Effect of Cultural Resonance
La Porte, María Teresa; Azpíroz Manero, María Luisa ULg

Conference (2008, July)

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See detailGround-based observations of the beta Cephei CoRoT main target HD 180642
Briquet, Maryline ULg; Uytterhoeven, K.; Aerts, C. et al

Conference (2008, July)

We present the preliminary results of a detailed study of ground-based photometric and spectroscopic observations dedicated to the β Cephei CoRoT main target HD 180642. Besides the non-linear dominant ... [more ▼]

We present the preliminary results of a detailed study of ground-based photometric and spectroscopic observations dedicated to the β Cephei CoRoT main target HD 180642. Besides the non-linear dominant radial mode several low-amplitude modes are detected in both kinds of datasets. Our aim is to derive the wavenumbers (ℓ,m) of these modes, as additional constraints to the CoRoT pulsation frequencies, for forthcoming asteroseismic modelling of the star. [less ▲]

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See detailCurrent Trends in the Research on Physical Education Teacher Education (PETE)
Cloes, Marc ULg

Conference (2008, July)

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See detailEvaluating an ICT-Mediated Innovative Training Service from Users’ Perspective. An Exploratory Case Study
Peters, Stéphanie ULg; Ledent, Maryse ULg; Hansez, Isabelle ULg

Conference (2008, July)

By the way of a case study, this paper aims at evaluating the innovative dimension of a training service mediated through Information and Communication Technology (ICT): the so-called e-WOCCQ. The ... [more ▼]

By the way of a case study, this paper aims at evaluating the innovative dimension of a training service mediated through Information and Communication Technology (ICT): the so-called e-WOCCQ. The originality of this article is twofold: (1) to question innovation, and (2) to consider the training more commonly as a service, whose major particularity is the implication of the user in the process. The theoretical framework emphasises on the definition of a service and on the concept of added-value. As this experience took place at the very beginning of the project development, an empirical methodology was developed. We assume that the so-called e-WOCCQ is an innovation as it represents an added value for the users. Results show that e-WOCCQ generates costs and benefits of different order, and that the ratio is influenced by factors mostly linked either with the user. Practical (improvements and targeting) and theoretical (modelisation) implications are discussed. [less ▲]

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See detailEnfance, transmission et individualisation. Le cas des enfants mineurs du Katanga (RDC)
Andre, Géraldine ULg; Godin, Marie; Mrsic-Garac, Sonia

Conference (2008, July)

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See detailDynamic Hedge Fund Style Analysis with Errors-in-Variables
Bodson, Laurent ULg; Coën, Alain ULg; Hübner, Georges ULg

Conference (2008, July)

This paper revisits the traditional return-based style analysis (RBSA) in presence of time-varying exposures and errors-in-variables (EIV). We first apply a selection algorithm using the Kalman filter to ... [more ▼]

This paper revisits the traditional return-based style analysis (RBSA) in presence of time-varying exposures and errors-in-variables (EIV). We first apply a selection algorithm using the Kalman filter to identify the more appropriate benchmarks for the analyzed fund return. Then, we compute their corresponding higher moment estimated errors-in-variables, i.e. the measurement error series introducing the (cross) moments of order three and four. We adjust the selected benchmarks by subtracting their higher moments estimated EIV from the initial return series, to obtain an estimate of the true uncontaminated benchmarks. We finally run the Kalman filter on these adjusted regressors. Analyzing EDHEC alternative indexes styles, we show that this technique improves the factor loadings and permits to identify more precisely the return sources of the considered hedge fund strategy. [less ▲]

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See detailGenetic parameters of stearoyl coenzyme-A desaturase 9 activity estimated by test-day model
Arnould, Valérie ULg; Gengler, Nicolas ULg; Soyeurt, Hélène ULg

Conference (2008, July)

Dairy and beef products account for a large part of fat intake in human nutrition and therefore can be linked to dietary diseases. The stearoyl Coenzyme-A desaturase 9 (delta-9) gene was identified as a ... [more ▼]

Dairy and beef products account for a large part of fat intake in human nutrition and therefore can be linked to dietary diseases. The stearoyl Coenzyme-A desaturase 9 (delta-9) gene was identified as a potential functional candidate gene affecting milk fat composition in dairy cattle. The objective of this research was to estimate the genetic parameters of delta-9 activity indicator traits and to study the relationship between delta-9 activity as described by these indicator traits and common milk production traits. A total of 126,331 test-day records were obtained from 14,259 Holstein (> 84% Holstein gene) heifers belonging to 105 herds. The studied traits were milk yield, percentages of fat and protein, content of monounsaturated fatty acids, and 3 ratios reflecting the delta-9 activity (C14:1/ C14:0; C16:1/C16:0 and C18:1/C18). The used model was a multiple-trait random regressions test-day model and included as fixed effects: herd x date of test, class of age, and month x year. Random effects were herd x year of calving, permanent environmental, additive genetic, and residual effects. The fatty acid contents were estimated by mid-infrared spectrometry. Delta-9 activity varied within year and lactation. The obtained heritability estimates of delta-9 as well as the genetic and phenotypic correlation varied also through lactation. This study suggests potential improvements of delta-9 activity and subsequently milk fat composition can be achieved by animal management but also by breeding and animal selection. [less ▲]

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See detailUsing survey data to resolve the exchange risk exposure puzzle
Muller, Aline ULg; Jongen, Ron; Verschoor, Willem

Conference (2008, June 30)

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See detailFair Trade Organisations in Europe: A Significant Field of Social Enterprise?
Huybrechts, Benjamin ULg

Conference (2008, June 26)

With the help of examples of FTOs in Belgium, France, Italy and the UK, we have applied some of the features of SE approaches to the context of FT. It appears that FTOs are particularly significant ... [more ▼]

With the help of examples of FTOs in Belgium, France, Italy and the UK, we have applied some of the features of SE approaches to the context of FT. It appears that FTOs are particularly significant examples of SEs, combining in different ways economic, social and sometimes political dimensions. From more NGO-like to more business-like configurations, all FTOs of our sample seem to respect the key features of SEs, under which the primacy of 23 the social mission, the limited (if any) profit distribution, the focus on innovation and at least some degree of self-financing. Nevertheless, there is some heterogeneity in terms of FTOs’ goals and activities. While all FTOs seem to combine, at least, economic and social dimensions – although at varying degrees and forms –, the political dimension is not present in the same way for all FTOs. Pioneer FTOs generally conduct education and advocacy activities in a developed and explicit way. Newcomer FTOs, however, have heterogeneous profiles in terms of political involvement, as the positioning seems to depend much on the entrepreneur’s choices. In terms of governance, practices are also very diverse in terms of leaders’ profiles, legal forms and stakeholders’ involvement in the decision-making structures. Some FTOs are quasi-individual ventures and are thus close to some American approaches of SE. Other FTOs are much more multi-stakeholder and fit better in the EMES conceptualisation of SE. The governance structure also seems to reflect to a certain extent the positioning of the FTO towards the different dimensions of FT. FTOs led by activists and having volunteers or partner NGOs on their Board seem to have a stronger focus on non-economic (social and political) goals. In the other sense, very economic-oriented FTOs are often run by managers with a business background and governed by their manager and/or their shareholders. As a conclusion, this article has tried to provide some theoretical and empirical support to the implicit link that has been established, both in the academic world and in the field practice, between FT and SE. The diversity of the FT sector echoes the rich diversity of SEs’ practices and conceptualisations. In such sense, considering FTOs as SEs is probably made easier because of the wide and flexible theoretical framework of SE – few authors claiming to have a “definition” of SE. If more restricted conceptions of SE were to emerge – e.g., the limitation of SE to formal Third Sector legal forms, or to 100% market financing –, then part of the FTOs would be excluded from the SE area. In such sense, FT appears as an important laboratory the evolutions of which can feed the theoretical construction of SE. [less ▲]

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See detailMerging academic libraries: An opportunity for a face-lift?
Durieux, Nancy ULg; Vandenput, Sandrina ULg; Brouwir, Christine ULg et al

Conference (2008, June 26)

Although the decision to merge libraries generates stress, it is also a great opportunity to start a global reflection on the functioning of libraries. In 2003, the University of Liège decided to create a ... [more ▼]

Although the decision to merge libraries generates stress, it is also a great opportunity to start a global reflection on the functioning of libraries. In 2003, the University of Liège decided to create a new physical and functional structure by combining the previously independent libraries of Medicine, Veterinary Medicine, Botany, Zoology, Psychology and Educational Sciences. The initial phase included a plan to remove the collections and standardise the academic teaching of IT literacy in the various disciplines. We now want to question our missions and evaluate our present working procedures in order to optimise our services, eventually develop new ones, and make them visible through a new website or any other types of support. The different populations of users need to be clearly identified, evaluated and anticipated. Staff competences must be evaluated to guarantee that users' expectations are met, and possibly to envisage any new services that may need to be created. In addition, staff competences must be improved through adapted education and tailored professional training. At the same time, the library involvement in academic teaching deserves to be properly highlighted. We are aware that there is not anything new in such an approach, but the pieces of evidence are scattered, outdated or not adapted to our present situation. As a consequence, we propose an overview of the literature concerning the marketing of academic libraries, conducted according to the principles of Evidence-Based Library and Information Practice. We shall select the most important publications providing strong theoretical support, and we shall collect existing tools, evaluation grids and procedure rules that might be useful during any step of the project. We shall organise them into a structured and pragmatic working strategy that could be used by any library interested in a marketing approach. It should integrate the different topics previously mentioned such as the library’s missions, the evaluation and optimisation of services, as well as the visibility of the teaching activities and the professional education programmes developed by academic libraries. [less ▲]

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See detailDevelopment of a simplified Building-HVAC System model with the help of an equation solver
Bertagnolio, Stéphane ULg; Lemort, Vincent ULg; Lebrun, Jean ULg

Conference (2008, June 25)

This seminar shows how modeling and simulation environments that are built using equation-based solvers can benefit the building energy community. Such modeling and simulation environments separate the ... [more ▼]

This seminar shows how modeling and simulation environments that are built using equation-based solvers can benefit the building energy community. Such modeling and simulation environments separate the formulation of a model’s underlying physics from its numerical solution algorithms. This allows input-output free modeling, it leads to faster model development time and it facilitates model reuse for different applications. Equation-based modeling and simulation environments are frequently used in various industrial sectors. For building energy simulation, however, they have not yet enjoyed wide-spread use. This seminar encourages discussions to understand their applicability, advantages and limitations for the building energy community. [less ▲]

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See detailLe modèle belge de concertation budgétaire
Husson, Jean-François ULg

Conference (2008, June 25)

Cette présentation aborde l'historique de la coordination budgétaire en Belgique depuis le début des années 1990. Elle s'attarde plus particulièrement sur les institutions de coordination (Comité de ... [more ▼]

Cette présentation aborde l'historique de la coordination budgétaire en Belgique depuis le début des années 1990. Elle s'attarde plus particulièrement sur les institutions de coordination (Comité de consertation, Conseil supérieur des Finances,...) et les divers instruments de régulation utilisés. [less ▲]

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See detailSystems Theory in Systems Biology
Bullinger, Eric ULg

Conference (2008, June 20)

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See detailCoupled vs uncoupled approaches for sediment transport modelling
Dewals, Benjamin ULg

Conference (2008, June 18)

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See detailYouth Political Interest, Political Participation, and Civic Education in French-speaking Belgium
Fournier, Bernard ULg; Reuchamps, Min ULg

Conference (2008, June 18)

In spring 2007, we administered a survey to 1437 high school students (16-18 years old) in order to measure their political interest and participation as well as to assess their political knowledge ... [more ▼]

In spring 2007, we administered a survey to 1437 high school students (16-18 years old) in order to measure their political interest and participation as well as to assess their political knowledge. Relying on the results of some of the 150 questions, in this paper, we argue that uncovering the relationship between political interest, knowledge, and participation is a prerequisite for insightful and further research on civic education. So doing, we shall move our analysis beyond the usual sociological categories in order to stress differences between “clusters of students”. As such, we privilege the analysis in terms of classifications. With a more precise image of the various forms of youth’s political attitudes, different patterns will characterise young people’s opinions and behaviours. Accordingly, our understanding of the mechanisms of political socialisation will be adapted. Such an inquiry seems necessary in order to engage the traditional views on political participation and interest of today’s youth as well as the impact of civic education, for which further research, both quantitative and qualitative, is needed. [less ▲]

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See detailSur le concept de "valeur pure" chez Ferdinand de Saussure
Sofia, Estanislao ULg

Conference (2008, June 17)

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See detailAyahuasca et Iboga: secte et néo-chamanisme
Collart, Anne-Françoise ULg

Conference (2008, June 17)

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See detailPhilosophie et modalités de la justice réparatrice.
Lauwaert, Katrien ULg

Conference (2008, June 13)

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See detailDo monitoring and counselling boost the job finding rates of the long-term unemployed ?
Fonder, Muriel; Lejeune, Bernard ULg

Conference (2008, June 13)

In July 2004, the Belgian government launched a new monitoring and counselling program targeted at the long-term unemployed. In this new program, people over 13 months unemployment are warned that their ... [more ▼]

In July 2004, the Belgian government launched a new monitoring and counselling program targeted at the long-term unemployed. In this new program, people over 13 months unemployment are warned that their job-search efforts will be monitored 8 months later. At the same time, they are invited to participate actively in the support (job search, training) programs provided for by the Regional Employment Agencies, whose supply was expanded. This reform has been implemented gradually : it focused the unemployed under 30 years in 2004, then the 30-40 year-old unemployed in 2005, and finally the 40-50 year-old unemployed in 2006. This paper aims at evaluate the effect, in terms of transition from unemployment to employment and/or training, of this new program for the 30-40 years old in Wallonia. Using the fact that the reform was implemented gradually, the effect of the program is estimated by difference-in-differences, based on (single exit and two exits) discrete duration models. The results suggest that the program has had a very large relative effect, although limited in absolute terms, regarding transition to training for almost all the treated unemployed. They also show that the program has had a substantial relative effect, although limited in absolute terms as well, with regard to transition to employment for the majority of the treated unemployed. [less ▲]

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See detailShort-term post-dispersal fate of seeds primarily dispersed by tamarins
Culot, Laurence ULg

Conference (2008, June 09)

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See detailThe arylthiadiazine 1,1-dioxides in medicinal chemistry
De Tullio, Pascal ULg

Conference (2008, June 08)

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See detailAnalyse des curriculums officiels et implantés dans les pays de la Confemen
Lejong, Michèle ULg

Conference (2008, June 07)

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See detailA new tracer technique for monitoring groundwater fluxes : the finite volume point dilution method
Brouyère, Serge ULg; Batlle-Aguilar, Jordi; Goderniaux, Pascal ULg et al

Conference (2008, June 06)

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See detailFormes et enjeux de la décentralisation théâtrale en Belgique francophone
Delhalle, Nancy ULg

Conference (2008, June 06)

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See detailLe positionnement des organisations de commerce équitable entre l’économique, le social et le politique : essai de typologie et illustrations en Belgique, en France et au Royaume-Uni
Huybrechts, Benjamin ULg

Conference (2008, June 05)

Parallèlement à la croissance exponentielle de ses ventes et de sa notoriété, le mouvement du commerce équitable (CE) connaît une diversification croissante de son paysage organisationnel (Nicholls & Opal ... [more ▼]

Parallèlement à la croissance exponentielle de ses ventes et de sa notoriété, le mouvement du commerce équitable (CE) connaît une diversification croissante de son paysage organisationnel (Nicholls & Opal, 2005; Wilkinson, 2007). Alors qu’à ses débuts, le mouvement était porté par des organisations militantes relativement homogènes, celles-ci se sont progressivement diversifiées, tandis que de nouveaux acteurs sont apparus avec une dynamique commerciale plus marquée (Gendron, 2004; Moore, 2004; Renard, 2003). Si toutes les organisations de commerce équitable (OCE) ont en commun de chercher à soutenir des organisations de producteurs au Sud à travers une activité commerciale « équitable » dans le cadre d'un développement durable Nord-Sud, les stratégies adoptées peuvent fortement différer (Wilkinson, 2007). Ainsi, en caricaturant quelque peu, certaines OCE misent principalement sur le partenariat commercial, encadré par un processus de labellisation, et prônent un développement essentiellement quantitatif de la filière, notamment à travers la distribution des produits en grandes surfaces. D'autres, par contre, insistent plus sur la qualité des partenariats avec les producteurs marginalisés et misent sur les activités de sensibilisation des citoyens et de lobbying auprès des pouvoirs publics dans le but de modifier en profondeur les règles du commerce international. Quelle que soit leur stratégie, les OCE sont inévitablement confrontées aux tensions traversant l’ensemble du mouvement équitable. Ces tensions semblent pouvoir se résumer, globalement et malgré certaines nuances dans les appellations, à deux grands pôles : le pôle économique, de « marché » d’une part, et le pôle socio-politique, de « solidarité » d’autre part. Ce qui différencie les OCE, c’est donc la manière de gérer cette tension et de se positionner par rapport à ces différentes logiques. L’objectif de cette contribution est précisément d’éclairer ces différents positionnements organisationnels sur le « continuum » entre l’économique et le socio-politique. Nous commençons par présenter ce continuum du CE sur lequel les acteurs se positionnent. Nous proposons ensuite différents indicateurs organisationnels susceptibles d'appréhender ces positionnements. A partir de la théorie des organisations appliquée à différentes formes organisationnelles, nous nous penchons sur les objectifs organisationnels, les ressources, le statut juridique et la composition des éventuelles instances de gouvernance (principalement l'assemblée générale et le conseil d'administration). Nous rappelons dans quelle mesure, selon la littérature, ces indicateurs peuvent être révélateurs du positionnement stratégique de l'organisation. Ensuite, nous proposons quatre profils organisationnels possibles pour gérer les tensions entre les différents pôles du CE. Chacun de ces profils est caractérisé par rapport aux indicateurs organisationnels proposés : objectifs déclarés, types de ressources mobilisées (ventes, dons, subventions, bénévolat), statut juridique (association, coopérative, entreprise individuelle, société anonyme,...) et composition des instances de gouvernance (types de parties prenantes impliquées). Chaque profil est ensuite illustré par des exemples d'organisations provenant de trois études de terrain réalisées auprès d’OCE en Belgique, en France (dans la région Rhône-Alpes) et au Royaume-Uni. Enfin, après une synthèse de ces quatre profils, nous nous penchons sur leurs implications sur l’avenir du mouvement équitable. Nous cherchons à percevoir l'évolution des stratégies de positionnement des OCE de manière à distinguer les perspectives futures de la filière. La question posée est de savoir si les différents profils de positionnement peuvent continuer à coexister de manière complémentaire ou si, au contraire, ils mènent à l'apparition de différentes formes de CE n'ayant plus en commun que leur appellation. [less ▲]

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