Are monetary and non-monetary incentives used as substitutes in motivating effort? I address this question in a laboratory experiment in which the choice of the job characteristics (i.e., the mission) is part of the compensation package that principals can use to influence the agents' effort....

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...