Impact evaluations must be embedded in the ongoing process of policy and programme design in order to be effective in influencing country policy. This is the primary lesson found in this book, which is based on the rigorous impact evaluations and country-case study analysis of government-run...

In this paper, we analyze the extent to what financial incentives have influenced individual and couples retirement decisions over the last two decades in Spain. We use administrative data on earnings histories to create synthetic measures of financial incentives that we link to individual...