This paper posits a new approach to informal risk-sharing in developing countries inspired by anthropological studies. A risk-sharing rule emerges as a collective choice which is enforced through peer-pressure. I determine the elected rules and the level of compliance with these rules. Full...

We examine the choice of policy instruments (price, quantity or a mix of the two) when two pollutants are regulated and firms' abatement costs are private information. Whether abatement efforts are complements or substitutes is key determining the choice of policies. When pollutants are...

We examine the choice of policy instrument price, quantity, or a mix of the two when two pollutants are regulated and firms’ abatement costs are private information. A key parameter that affects this choice is the technological externality between the abatement efforts involved, i.e., whether...

A group of agents located along a river have quasi-linear preferences over water and money. We ask how the water should be allocated and what money transfers should be performed. We are interested in efficiency, stability (in the sense of the core), and fairness (in a sense to be defined). We...

In a laboratory experiment we test the three regulations imposed on a common-pool resource game with heterougeneous users: an access fee and subsidy scheme, transferable quotas and non transferable quotas? We calibrate the game so that all regulations improve users' profits compared to...

A group of agents located along a river have quasi-linear preferences over water and money. We ask how the water should be allocated and what money transfers should be performed. We are interested in efficiency, stability (in the sense of the core), and fairness (in a sense to be defined). We...

A group of agents located along a river have quasi-liner preferences over water and money. We ask how water should be allocated and what money transfers should be performed.

This paper addresses the question of whether R&D should be carried out by an independent research unit to be produced in-house by the firm marketing the innovation.