This paper outlines a method for detecting and assessing the strength of social interactions through a changes-in-changes design. The proposed approach is based on a linear-in-means model and aims to resolve the "reflection problem", unobserved heterogeneities and endogenous group formation that...

The authors look at the effect of the 2000 repeal of the earnings test above the normal retirement age on retirement expectations of workers in the Health and Retirement Study, aged 51 to 61 in 1992. For men, they find that those whose marginal wage rate increased when the earnings test was...

We look at the effect of the 2000 repeal of the earnings test above the normal retirement age on retirement expectations of workers in the Health and Retirement Study, aged 51 to 61 in 1992. For men, we find that those whose marginal wage rate increased when the earnings test was repealed, had...

This paper investigates the employment impact of a new tax-credit programme that was put in place in France in 2001. We study the introduction of both this measure and a later reform in 2004 that made the tax credit cashable in advance upon returning to work. We adopt a non-experimental...