Recherche avancée

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

Jean-Paul Azam

n° 09-096, octobre 2009

Vincent Anesi et Philippe De Donder

vol. 119, n° 540, octobre 2009, p. 1303–1323

Martial Dupaigne et Patrick Fève

vol. 12, n° 4, octobre 2009, p. 592–607

Alexander Guembel et Oren Sussman

vol. 76, n° 4, octobre 2009, p. 1297–1320

Claude Crampes

vol. 745, octobre 2009