Several empirical findings have challenged the traditional view on the trade-off between risk and incentives. By combining risk aversion and limited liability in a standard principal-agent model the empirical puzzle ont hepositive relationship between risk and incentives can be explained....

I examine a principal-agent model with multiple projects where a risk-neutral manager is protected by limited liability. The analysis has several interesting implications: (i) Incentive problems are shown to be a natural source of economies of scope, as combining multiple projects under the...

We consider optimal incentive contracts when managers can, in addition to shirking or diverting funds, increase short term profits by putting the firm at risk of a low probability "disaster." To avoid such risk-taking, investors must cede additional rents to the manager. In a dynamic context,...

We characterize optimal incentive contracts in a moral hazard framework extended in two directions. First, after effort provision, the agent is free to leave and pursue some ex-post outside option. Second, the value of this outside option is increasing in effort, and hence endogenous. Optimal...