Despite substantial increases in longevity, the age of retirement in the industrialized countries has steadily fallen throughout most of the 20th century. In France, for instance, the employment-population ratio of 55-64 year-old males fell from 74% in 1970 to 38.5% in 2000. In most other OECD...

Good public policy needs to be evidence based. However, the evidence base is thin for many policy issues. How can policy makers best respond to such thin areas of research that are also quite likely to change over time? Our survey investigates the evolution of the econometric evidence base for...