When information on farmers’ farming methods is incomplete, it isnot optimal to fight water pollution due to their activities exclusively through a tax policy. Symmetrically, subsidies alone are not appropriate for some cereals which are already widely subsidized in the European Union. In this...

When information on farmers’ farming methods is incomplete, it isnot optimal to fight water pollution due to their activities exclusively through a tax policy. Symmetrically, subsidies alone are not appropriate for some cereals which are already widely subsidized in the European Union. In this...

We test a repeated principal-agent relationship with hidden actions in the laboratory. At each period, the principal offers payments to the agent in order to induce him to provide the high effort level. The agent can accept or reject the offer; if he accepts it, he can choose the high or the low...

In nonpoint source pollution problems, the regulator does not observe each polluter’s individual emission, which prevents him from using the conventional policy instruments. Therefore, new instruments have been designed to regulate this type of pollution. In an experiment, we compare the...

In nonpoint source pollution problems, the regulator does not observe each polluter’s individual emission, which prevents him from using the conventional policy instruments. Therefore, new instruments have been designed to regulate this type of pollution. In an experiment, we compare the...