This paper presents a formal theory of reciprocity. Reciprocity means that people reward kind actions and punish unkind ones. The theory takes into account that people evaluate the kindness of an action not only by its consequences but also by the intention underlying this action. The theory...

In this paper we show that a simple model of fairness preferences explains major experimental regularities of common pool resource (CPR) experiments. The evidence indicates that in standard CPR games without communication and without sanctioning possibilities inefficient excess appropriation is...

How do firms motivate their employees to be productive? The conventional wisdom is that workers respond to monetary incentives - "Pay them more and they will work harder." However, a large and growing body of empirical evidence from laboratory and field experiments, surveys, and observational...

This paper presents a formal theory of reciprocity. Reciprocity means that people reward kind actions and punish unkind ones. The theory takes into account that people evaluate the kindness of an action not only by its consequences but also by the intention underlying this action. The theory...

In this paper we show that a simple model of reciprocal preferences explains major experimental regularities of common pool resource (CPR) experiments. The evidence indicates that in standard CPR games without communication and without sanctioning possibilities inefficient excess appropriation...

This article presents a discussion among leading economists on how to do empirical research in economics. The participants discuss their reasons for starting research projects, data base construction, the methods they use, the role of theory, and their views on the main alternative empirical...