Using high-frequency Italian administrative data, the author studies the heterogeneous effects of a reform raising the normal retirement age (NRA) from 60 years to 65 years for private-sector male employees. The analysis, based on a difference-in-differences (DD) method, shows that the NRA raise...

There is a huge variation in the size of labor supply elasticities in the literature, which hampers policy analysis. While recent studies show that preference heterogeneity across countries explains little of this variation, we focus on two other important features: observation period and...