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Altruism in Networks
Bourlès, Renaud; Bramoullé, Yann - HAL - 2013
We provide the first theoretical analysis of altruism in networks. Agents are embedded in a fixed, weighted network and care about their direct friends. Given some initial distribution of incomes, they may decide to support their poorer friends. We study the resulting non-cooperative transfer...
Persistent link: https://www.econbiz.de/10010933881
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Immigration and natives' attitudes towards the welfare state: Evidence from the European Social Survey
Senik, Claudia; Stichnoth, Holger; Straeten, Karine Van Der - HAL - 2008
Does immigration reduce natives' support for the welfare state? Evidence from the European Social Survey (2002/2003) suggests a more qualified relation. For Europe as a whole, there is only weak evidence of a negative association between the perceived presence of immigrants and natives' support...
Persistent link: https://www.econbiz.de/10010739018
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The distortionary effect of health insurance on health demand
Fombaron, Nathalie; Milcent, Carine - HAL - 2007
This paper presents a general framework for modeling the impact of insurance on healthcare demand extending some of the results of the two-risk model of Rothschild and Stiglitz (1976), but including the latter as a special case. Rothschild and Stiglitz's approach assumes equivalence between the...
Persistent link: https://www.econbiz.de/10010738800
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Equity in health care finance and delivery: what about Africa ?
Cissé, Boubou; Luchini, Stephane; Moatti, Jean-Paul - HAL - 2006
This paper applies concentration curves and indices, that have been previously used to analyze progressivity in health care finance and horizontal equity in health care delivery in developed countries, to a 1998-1999 household survey about health care expenditures and utilization carried out in...
Persistent link: https://www.econbiz.de/10008794212
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The persistence of firms' knowledge base: a quantile approach to Italian data
Colombelli, Alessandra; Quatraro, Francesco - HAL - 2014
The paper investigates the patterns of persistence of innovation and of the properties of firms' knowledge base (KB …
Persistent link: https://www.econbiz.de/10010933797
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Contre les territoires jetables. Première approche critique des systèmes d'identification des territoires.
Gwiazdzinski, Luc - HAL - 2013
"Vertige" est le mot qui vient immédiatement à l'esprit quand nous contemplons le tourbillon des logos et marques territoriales qui s'étalent désormais sous nos yeux. " Inquiétude " c'est le sentiment que l'on peut ressentir à la vue des bricolages visuels et des simplifications qui...
Persistent link: https://www.econbiz.de/10010935040
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How to improve Kline and Rosenberg's chain-linked model of innovation: building blocks and diagram-based languages
Micaëlli, Jean-Pierre; Forest, Joelle; Coatanéa, Eric; … - HAL - 2014
The "hierarchical and linear model of innovation" (HLMI) is often used to describe how innovations are produced. HLMI … conceiving innovation systems as associations of building blocks and using contemporary engineering diagram-based languages to … display them. Nevertheless, this improvement does not challenge the dynamic features of innovation systems …
Persistent link: https://www.econbiz.de/10010929993
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Science and innovation
Forest, Joelle - HAL - 2014
we remain largely unaware of it. If R&D seems to be an enabler of innovation, it is not sufficient by itself. Thus, the … use the linear model of innovation as the basis for policies to promote innovation? Is it not possible to go against the …
Persistent link: https://www.econbiz.de/10010930012
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LES PHASES AMONT DES PROJETS INNOVANTS ET LA CONSTRUCTION DU GROUPE-PROJET
Lizarralde, Iban; Pilnière, Véronique - HAL - 2012
généralement liés à l'innovation sous ses diverses formes : innovation produit naturellement, mais aussi innovation process …, innovation organisationnelle ou innovation sociale. Le manager ou le chef de projet en charge d'une telle transformation complexe …
Persistent link: https://www.econbiz.de/10010930034
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Le réalisme d'une nouvelle technologie de réalité virtuelle : un antécédent à l'efficacité des outils d'aide à la vente en ligne.
Racat, Margot; Capelli, Sonia - HAL - 2014
Cette recherche vise à déterminer les leviers d'adoption d'une nouvelle technologie de réalité augmentée dans le cadre d'un essai de produit. A l'aide d'une expérimentation dans le domaine des cosmétiques, nous comparons l'impact d'un test produit classique avec un test réalisé via un...
Persistent link: https://www.econbiz.de/10010930106