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Marion Desquilbet et Sylvaine Poret
n° 12-350, novembre 2012, révision juin 2013
This paper presents a theoretical economic model assessing the effects of the level of mandatory genetically modified (GM) / non-GM coexistence regulations on market and welfare outcomes. We assume vertical differentiation of GM and non-GM goods on the consumer side. Producers are heterogeneous in...
Christian Gollier
n° 12-354, novembre 2012
How should one evaluate investment projects whose CCAPM betas are uncertain? This question is particularly crucial for projects yielding long-lasting impacts on the economy, as is the case for example for many green investment projects. We defined the notion of a certainty equivalent beta. We...
Jay Pil Choi, Doh-Shin Jeon et Byung-Cheol KIM
n° 12-355, novembre 2012
We analyze competition between interconnected networks when content is heterogeneous in its sensitivity to delivery quality. In a two-sided market framework, we characterize the equilibrium in a neutral network constrained to offer the same quality and assess the impact of such a constraint vis-à-...
Henrik Andersson
n° 12-359, novembre 2012
This study analyzes stated willingness to pay (WTP) for trafic safety, the use of trafic safety equipments, and the consistency between the two. Using data from a Swedish contingent valuation study we find that the estimated value of a statistical life (VSL) based on the respondents' rear- seatbelt...
Henrik Andersson, Lina Jonsson, Mikael Ögren et Jan-Erik Swärdh
n° 12-360, novembre 2012
In this study we estimate the demand for peace and quiet, and thus also the willingness to pay for railway noise abatement, based on both steps of the hedonic model regression on property prices. The estimated demand relationship suggests welfare gains for a 1 dB reduction of railway noise as; USD...
n° 12-361, novembre 2012, révision septembre 2015
Because of the uncertainty about how to model the growth process of our economy, there is still much confusion about which discount rates should be used to evaluate actions having long-lasting impacts, as in the contexts of climate change, social security reforms or large public infrastructures for...
novembre 2012
Helmuth Cremer, Pierre Pestieau et Kerstin Roeder
n° 12-363, novembre 2012
This paper studies how the risk of divorce affects the human capital decisions of a young couple. We consider a setting where complete specialization (one of the spouses uses up all the education resources) is optimal with no divorce risk. Symmetry in education (both spouses receive an equal amount...
Claude Crampes et Jean-Marie Lozachmeur
L’objet de ce chapitre est de déterminer les caractéristiques d’une politique tarifaire equitable pour l’électricité, conditionnelle à l’information dont dispose l’autorité publique sur les revenus et/ou l’équipement domestique des ménages. Pour cela, nous construisons un modèle de demande dans...
Elisabetta Iossa et Patrick Rey
n° 12-368, novembre 2012
We study how career concerns affect the dynamics of incentives in a multi-period contract, when the agent’s productivity can evolve exogenously (random shocks) or improve endogenously through investment. We show that incentives are stronger and performance is higher when the contract approaches its...
