This discussion paper has led to a publication in the <A href="http://www.sciencedirect.com/science/article/pii/S0047272710000721">'Journal of Public Economics'</A>. The quality of public management is a recurrent concern in many countries. Calls to attract the economy's best and brightest managers to the public sector abound. This paper studies self-selection into...</a>

Recent studies have demonstrated the importance of good management for firm performance. Here, we focus on management in not-for-profits (NFPs). We present a model predicting that management quality will be lower in NFPs compared to for-profits (FPs), but that outputs may not be worse if...

Based on micro-data on individual workers for the period 2000-2005, we show that wage differentials in the Netherlands are small but present. A large part of these differentials can be attributed to individual characteristics of workers. Remaining effects are partially explained by variations in...

In this paper we employ techniques developed in spatial econometrics to analyse spatial patterns of technology diffusion, to detect clusters and to estimate theoretical models that incorporate space explicitly. These techniques correct for misspecifications resulting from the omission of spatial...

Concentration of immigrants and its associated externalities have become an important topic in contemporary international migration research, both from a methodological as well as an empirical perspective. The purpose of this paper is twofold. First, it aims to provide an overview of that part...