We study the relation between formal incentives and social exchange in organizations where employees work for several managers and reciprocate a manager's attention with higher effort. To this end we develop a common agency model with two-sided moral hazard. We show that when effort is...

A worker's utility may increase with his income, but envy can make his utility decline with his employer's income. This article uses a principal-agent model to study profit-maximizing contracts when a worker envies his employer. Envy tightens the worker's participation constraint and so calls...

Using a simple game-theoretical model, this paper analyzes the role of policy advisers in the policy-making process. We show that policy makers are inclined to appoint advisers whose preferences coincide with their own preferences. Furthermore, we show that policy makers are biased towards...

This paper studies the selection of information collecting agents by policy makers in the light of two agency problems. First, it is often hard to ascertain how much effort agents have put in acquiring information. Second, when agents have an interest in the policy outcome, they may manipulate...