We analyze the contract between an innovator and a developer, when the former has private information on his idea and the latter must exert efforts but may also quit the relationship after having been informed. We show that the equilibrium contracts distort downwards the developer's incentives...

This paper discusses the feasibility and performances of simple mechanisms to implement international environmental agreements in the multilateral externalities context of global warming. Asymmetric information and voluntary participation by sovereign and heterogenous countries are key...

We analyze environmental agreements in contexts with asymmetric information, voluntary participation by sovereign countries and possibly limited enforcement. Taking a mechanism design perspective, we study how countries can agree on effort levels and compensations to take into account...

We consider a network that intermediates traffic between free content providers and consumers. Two-sided pricing of consumers and content providers allows profit extraction by the network and transmission of information on the social value of content. Profit maximizing tariffs give the content...

We analyze early contracting when a seller has private information on the future gains from trade and the buyer can bypass. Despite ex-post trade occurring under complete information and being efficient, early negotiation with an informed seller allows the uninformed buyer to improve her...