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...

We explain why means-tested college tuition and means-tested government grants to college students can be efficient. The critical idea is that attending college is both an investment good and a consumption good. If education has a consumption benefit and tuition is uniform, the marginal rich...

This paper explores the meaning and implications of the desire by workers for impact. We find that this impact motive can make firms in a competitive labor market act as monopsonists, lead workers with the same characteristics but at different firms to earn different wages, may alleviate the...