We show in a public goods experiment on three continents that conditional cooperation is a universal behavioral regularity. Yet, the number of conditional cooperators and the extent of conditional cooperation are much higher in the U.S.A. than anywhere else. -- conditional cooperation ; public...

This review aims to improve our understanding of the implications of the insights from behavioural economics for environmental policy design. The review focuses on the question of incentive design in two broad areas — risk, conflict and cooperation; and mechanism design. A number of lessons...