In this paper we estimate the impact of temporary employment subsidies for young long-)term unemployed workers in Belgium on the transition rate from employment to non-employment. We account for selective participation on the basis of a multivariate duration model with correlated unobserved...

In july 2004, the Belgian government intensified monitoring within the Unemployment Insurance scheme. Workers claiming unemployment benefits for more than 13 months are notified that past job-search behavior will be monitored 8 months later. In one region the target group is counseled shortly...

In Belgium unemployment insurance benefits can only exhaust for one category of workers : partners of workers with (replacement) labour income (mostly women) may loose their entitlement after an unemployment duration ranging from two to eight years, depending on individual characteristics. We...

Tiling arrays make possible a large-scale exploration of the genome thanks to probes which cover the whole genome with very high density, up to 2,000,000 probes. Biological questions usually addressed are either the expression difference between two conditions or the detection of transcribed...

The aim of this paper is to propose a test procedure for the detection of differential alternative splicing across conditions for tiling array or exon chip data. While developed in a mixed model framework, the test procedure is exact (avoiding computational burden) and applicable to a large...

The species abundance distribution and the total number of species are fundamental descriptors of the biodiversity of an ecological community. This paper focuses on situations where large numbers of rare species are not observed in the data set due to insufficient sampling of the community, as...

This paper aims at estimating the effect on achievement of various types of schools: private, private but government-dependent and public ones. It is based on the analysis of Math, Science and Reading test scores of 15 year-olds students surveyed in 2002 across OECD and non-OECD countries. The...

With an overlapping generations model, Williamson and Jones [1983] demonstrated that the long-run savings ratio in the U.S. was not affected by the introduction and the reform of the unfunded social security system. This paper extends their model by including a production sector, endogenous...

The paper argues that it is not clear where P. Van Parijs sets the borderline between the economic modelable of explaining many seemingly disparate, but not all, social phenomena - and evolutionary models. Sometimes it seems that evolutionary models are required in situations when people behave...

Duménil and Levy's Economics of the Profit Rate makes major contributions to our theoretical and empirical understanding of advanced capitalist economies. Questions and problems for further research raised by their work concern their definition of stability, the relation of finance to...