So called “No-Drop” policies, which mean that all cases are prosecuted even if victims want to drop charges is associated with an increase in the reporting of abusive behaviour.

Aizer & Dal Bo (2009) Journal of Political Economy


In an attempt to reduce CO2 emissions France taxed newly bought heavily polluting cars and gave a very generous discount on eco-friendly ones.The policy resulted in a steep increase in the total number of cars sold. In the end, CO2 emissions went up due to the increase in mileage and the manufacturing process of these new cars.

D’Haultfœuille et al. (2014) Economic Journal