There is a growing interest, notably in development economics, in extending project evaluation methods to the evaluation of multiple interventions (“programs”). In program evaluations one is interested in the aggregate impact of a program rather than the effect on individual beneficiaries....

In the past two decades the OECD has regularly voiced concern about the labor market exclusion of people with disabilities and about the cost of disability insurance programs. This paper examines whether the fundamental disability insurance reforms that were implemented in the Netherlands have...

Temporary incentives are offered in anticipation of persistent effects, but these are seldom estimated. We use a nationwide randomized experiment in the Philippines to estimate effects three years after the withdrawal of two incentives for health insurance. A premium subsidy had a persistent...