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9 novembre 2009
Jean Tirole
3 novembre 2009
Emmanuel Thibault
2 novembre 2009
Doh-Shin Jeon et Jean-Charles Rochet
n° 09-098, octobre 2009
More and more academic journals adopt an open-access policy, by which articles are accessible free of charge, while publication costs are recovered through author fees. We study the consequences of this open access policy on a journal’s quality standard. If the journal’s objective was to maximize...
Ujjayant Chakravorty, Marie-Hélène Hubert et Michel Moreaux
n° 09-105, octobre 2009
Nous analysons l’impact de deux politiques américaines sur la production et les échanges d’éthanol (biocarburants de première génération) et d’éthanol ligno-cellulosique (biocarburant de seconde génération) aux Etats-Unis et au Brésil ainsi que sur les émissions directes et indirectes de carbone....
David Bardey, Helmuth Cremer et Jean-Marie Lozachmeur
n° 09-103, octobre 2009, révision octobre 2010
We study competition in two sided markets with common network externality rather than with the standard inter-group effects. This type of externality occurs when both groups benefit, possibly with different intensities, from an increase in the size of one group and from a decrease in the size of...
Emmanuel Farhi et Jean Tirole
n° 09-101, octobre 2009, révision février 2011
This paper analyzes the possibility and the consequences of asset price overvaluation in a dynamic economy where financially constrained firms demand and supply liquidity. Bubbles are more likely to emerge, the scarcer the supply of outside liquidity and the more limited the pledgeability of...
Georges Casamatta et Joao Luis Gondim
n° 09-104, octobre 2009
We assess the political support for parametric reforms of the Pay-As-You-Go pension system following a downward fertility shock. Using a continuous time overlapping generations model, we argue that reforms that consist in cutting pension benefits or increasing the retirement age are likely to...
Emmanuelle Auriol et Sara Biancini
n° 09-094, octobre 2009
This paper studies the incentives that developing countries have to enforce intellectual properties rights (IPR). On the one hand, free-riding on rich countries technology reduces the investment cost in R&D. On the other hand, it yields apotential indirect cost: a firm that violates IPR cannot...
Richard T. Carson, Phoebe Koundouri et Céline Nauges
n° 09-106, octobre 2009
