A critical issue in the design of incentive mechanisms is the choice of whom to target. For forests, the leading rules are (1) target locations with high ecosystem-service density; (2) target additionality, i.e., locations where conservation would not occur without the incentive; and, (3) at...

An increasing number of policies condition transfers upon the taking of socially desired actions − such as donating blood, departing conflict or mitigating climate change. Many such incentives are targeted, i.e., they exclude individuals based on potential recipients' characteristics or...

We develop a model of job search and use it to assess the effects that the Brazilian unemployment benefit system has on exit rates from unemployment. In our setup, unemployed workers receive job offers from the formal and informal sectors and decide whether to accept them or wait. Only jobs in...