In the home-care services industry, caregivers drive to visit patients scattered in a district and deliver various care services at the patient's home. We use a unique data set, with a standard panel structure, recording the hours of service and the exact number of miles traveled by each...

To explain the existence of stop-loss rules in financial institutions, we develop a principal/agent model, where an investment firm (the principal) has to rely on the expertise of a trader (the agent) to invest in a risky asset (a future contract, say). When the trader faces a limited liability...

We develop a model of a fixed exchange rate peg arrangement derived from the Barro-Gordon model of rules versus discretion. It is shown that the fixed peg is vulnerable to self-fulfilling currency crises in which the unemployment rate increases, the credibility of the rule decreases, but,...