When treatment effects of active labour market programmes are heterogeneous in anobservable way across the population, the allocation of the unemployed into differentprogrammes becomes a particularly important issue. In this paper, we present a statisticalmodel designed to improve the present...

We combine two techniques to consistently estimate the effect of active labour market programmes and, in particular, active labour market policy regimes. Our aim is to explicitly estimate the threat effect of active labour market programmes. Based on Danish data (1998- 2002) from administrative...