Causal effects of a policy change on hazard rates of a duration outcome variable are not identified from a comparison of spells before and after the policy change, if there is unobserved heterogeneity in the effects and no model structure is imposed. We develop a discontinuity approach that...

R&D and innovation are seen as key determinants of productivity and competitiveness and it has been recognized that the low growth performances of EU countries of the last decades can largely be attributable to their poor research performance, as compared to the US. As a consequence, most EU...

A model of labour supply is developed in which individuals face restrictions on hours choices. Observed hours reflect both the distribution of preferences and the distribution of offers. In this framework the choice set is limited and observed hours may not appear to satisfy the revealed...

Dynamic scoring – taking full account of all the economic effects of policies when estimating their budgetary effects – is almost self-evidently attractive. But it is formidably difficult to achieve. This paper assesses the key conceptual and practical challenges it poses and considers the...

One of the justifications provided for early retirement policies in developed countries is the idea that such policies can facilitate access to the labor market for younger people and help lower global unemployment. But many questions remain on the true effect on young workers of these policies....