A strong positive relation is generally assumed between monetary incentives and effort on the one hand, and between effort and performance on the other hand, which legitimates the introduction of monetary incentives in economic laboratory experiments. Still, the empirical impact of incentives on...

Using a two-stage Game of Chicken, Cabon-Dhersin and Ramani (2007) examine the impact of population heterogeneity on cooperative behaviour. For that purpose, they introduce two different types of agents, namely those who always cooperate and those who strategically cooperate. The aim of the...