Incentives for Quality in Friendly and Hostile Informational Environments
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Niveau: Supérieur
Incentives for Quality in Friendly and Hostile Informational Environments PRELIMINARY AND INCOMPLETE Pierre Fleckinger?, Matthieu Glachant†, Gabrielle Moineville‡ February 24, 2012 Abstract We develop a simple lemons model with endogenous quality where the amount of information available is quality-dependent. The distinctive feature of the analy- sis is to contrast friendly informational environments, in which the buyer has better information when quality is high than when it is low, and hostile environments, in which information is better when quality is low. Differences are clear-cut: Hostile en- vironments give rise to a bandwagon effect across sellers, which can lead to multiple equilibria. In contrast, friendly environments create free riding among sellers, which always induces a unique equilibrium. Comparative statics results are also contrasted. A key notion is that incentive provision is relatively better when the informational environment targets less expected evidence. The results shed new light on several in- sights of the literature on statistical discrimination, collective reputation and quality certification. Keywords: Moral Hazard, Asymmetric Information, Multiple Equilibria, Moni- toring, Lemons. JEL classification: D82. ?Paris School of Economics - University of Paris 1 & Cerna, Mines ParisTech. Centre d'Economie de la Sorbonne, 106-112 boulevard de l'Hopital, 75013 Paris. Email: pierre.
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Incentives for Quality in Friendly and Hostile Informational Environments PRELIMINARY AND INCOMPLETE Pierre Fleckinger?, Matthieu Glachant†, Gabrielle Moineville‡ February 24, 2012 Abstract We develop a simple lemons model with endogenous quality where the amount of information available is quality-dependent. The distinctive feature of the analy- sis is to contrast friendly informational environments, in which the buyer has better information when quality is high than when it is low, and hostile environments, in which information is better when quality is low. Differences are clear-cut: Hostile en- vironments give rise to a bandwagon effect across sellers, which can lead to multiple equilibria. In contrast, friendly environments create free riding among sellers, which always induces a unique equilibrium. Comparative statics results are also contrasted. A key notion is that incentive provision is relatively better when the informational environment targets less expected evidence. The results shed new light on several in- sights of the literature on statistical discrimination, collective reputation and quality certification. Keywords: Moral Hazard, Asymmetric Information, Multiple Equilibria, Moni- toring, Lemons. JEL classification: D82. ?Paris School of Economics - University of Paris 1 & Cerna, Mines ParisTech. Centre d'Economie de la Sorbonne, 106-112 boulevard de l'Hopital, 75013 Paris. Email: pierre.
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- informational environment
