In this paper we study the performance of the GMM estimator in the context of the covariance structure of earnings. Using analytical and Monte Carlo techniques we examine the sensitivity of parameter identification to key features such as panel length, sample size, the degree of persistence of...

Minimum wages are increasingly being used in developing countries as a policy to combat exploitation of workers and raise living standards. However, in many developing countries there is a substantial difference between de jure and de facto regulation. We examine the consequences of imperfect...

This paper uses a rich set of student background characteristics, including early measures of cognitive and non-cognitive skills, to estimate the value added of second-level schools in Ireland. Although there are high performing schools in both raw and value-added terms, there is a considerable...

We use administrative data to examine the effect of a 50% benefit cut for young unemployed workers in Ireland during the Great Recession. Because the cut applied only to new benefit claims, claimants whose unemployment start dates differed by a matter of days received very different benefits; we...