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The Brazilian organic food sector: Prospects and constraints of facilitating the inclusion of smallholders
Blanc, Julien; Kledal, Paul - HAL - 2012
The Brazilian organic food sector has experienced important growth during the last two decades. Brazilian smallholders, however, are facing huge challenges to enter and benefit from this growth in a sustainable way. Combining the lens of New Institutional Economics and socio-anthropology, we...
Persistent link: https://www.econbiz.de/10010618110
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"No Strings Attached": Welcoming the Existential Gift in Business
Fremeaux, Sandrine; Michelson, Grant - HAL - 2011
Social relations are predominantly influenced by an exchange paradigm whereby the logic of reciprocity shapes behaviour. If the notion of exchange instrumentalism is common across different business disciplines, this does not deny attempts - such as through gift exchange theory - to present...
Persistent link: https://www.econbiz.de/10010820987
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The role of family incomes in cigarette smoking: Evidence from French students
Lakhdar, Christian Ben; Cauchie, Grégoire; Vaillant, … - HAL - 2012
In this paper, we study the smoking behavior of students aged from 18 to 25 using four cross-section data sets … students, only wages earned and transfers received from parents increase smoking participation. However, sensitivity to income … remains weak since a rise of 1% in income of either the students or their parents leads to an increase in smoking prevalence …
Persistent link: https://www.econbiz.de/10010548005
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Educational Quality, Communities, and Public School Choice: a Theoretical Analysis
Mostafa, Tarek; Hanchane, Saïd - HAL - 2007
In this paper, we develop a multicommunity model where public mixed finance and private schools coexist. Students are …
Persistent link: https://www.econbiz.de/10010618151
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The impact of higher education on students' and young managers' perception of companies and corporate social responsibility: an exploratory analysis
Sobczak, André; Debucquet, Gervaise; Havard, Christelle - HAL - 2006
The purpose of this article is to analyse the impact of higher education on students' and young managers' perception of … companies and corporate social responsibility (CSR). The research is based on an electronic questionnaire for students and …
Persistent link: https://www.econbiz.de/10010820886
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Accounting for Peer Effects in Treatment Response
Dieye, Rokhaya; Djebbari, Habiba; Barrera-Osorio, Felipe - HAL - 2014
, randomization is at the student-level. Friendship data reveals that treated and untreated students interact together. Besides …
Persistent link: https://www.econbiz.de/10010933909
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A model of influence in a social network
Grabisch, Michel; Rusinowska, Agnieszka - HAL - 2010
In the paper, we study a model of influence in a social network. It is assumed that each player has an inclination to say YES or NO which, due to influence of other players, may be different from the decision of the player. The point of departure here is the concept of the Hoede-Bakker index -...
Persistent link: https://www.econbiz.de/10010603931
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A study of the dynamic of influence through differential equations
Maruani, Emmanuel; Grabisch, Michel; Rusinowska, Agnieszka - HAL - 2011
The paper concerns a model of influence in which agents make their decisions on a certain issue. It is assumed that each agent is inclined to make a particular decision, but due to a possible influence of the others, his final decision may be different from his initial inclination. Since in...
Persistent link: https://www.econbiz.de/10010605336
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A model of influence in a social network
Grabisch, Michel; Rusinowska, Agnieszka - HAL - 2008
In the paper, we study a model of influence in a social network. It is assumed that each player has an inclination to say YES or NO which, due to influence of other players, may be different from the decision of the player. The point of departure here is the concept of the Hoede-Bakker index -...
Persistent link: https://www.econbiz.de/10010738610
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Centralizing Information in Networks
Hagenbach, Jeanne - HAL - 2009
In the dynamic game we consider, players are the members of a fixed network. Everyone is initially endowed with an information item that he is the only paper to hold. Players are offered a finite number of periods to centralize the initially dispersed items in the hands of any one member of the...
Persistent link: https://www.econbiz.de/10010738632