Field-experimental studies have shown that people litter more in more littered environments. Inspired by these findings, many cities around the world have adopted policies to quickly remove litter. While such policies may prevent people from following the bad example of litterers, they may also...

To reduce the chances of policy failures, policy makers need information about the effects of policies. Sometimes, policy makers can rely on agents who already possess the information. Often, the information has yet to be produced. This raises two problems. First, for a policy maker it is hard...

Civil servants have a bad reputation of being lazy. However, citizens' personal experiences with civil servants appear to be significantly better. We develop a model of an economy in which workers differ in laziness and in public service motivation, and characterise optimal incentive contracts...

A worker's utility may increase in his own income, but envy can make his utility decline with his employer's income. Such behavior may call for high-powered incentives, so that increased effort by the worker little increases the income of his employer. This paper uses a principalagent model to...

This paper develops a model in which workers to a certain extent enjoy working. We examine the implications of workers intrinsic motivation for optimal monetary incentive schemes. We show that motivated workers work harder and, for a given level of e.ort, are willing to work for a lower wage....

This paper examines the consequences of creating a fully competitive market in a sector previously dominated by a cost-minimising public firm. Workers in the economy are heterogeneous in their motivation to work in the sector. In line with empirical findings, our model implies that firms in the...