Finding proper policy instruments to promote productivity growth features prominently on the Lisbon agenda and is central in many national as well as European policy debates. In view of the increased mobility of high-skilled workers in Europe, ongoing globalization and increased interregional...

This discussion paper resulted in a chapter in (P. Nijkamp, J. Poot, M. Sahin (Eds.)) <I>Migration Impact Assessment: New Horizons</I>, 2012 (KNAW sponsored).<P> The concentration of people with diverse socio-cultural backgrounds in particular geographic areas may boost the creation of new ideas,...</p></i>

We analyze the impact of obsolescence of economic inventions by incorporating maintenance costsin the endogenous growth model of expanding product varieties. This contrasts with the existingliterature, which ignores maintenance costs and uses the model of quality improvements todescribe...

Which signals are important in gaining attention in science? For a group of 1,371 scientific articles published in 17 demography journals in the years 1990-1992 we track their influence and discern which signals are important in receiving citations. Three types of signals are examined: the...

We analyze the distribution of economic activity across space for different types of activity and different levels of aggregation. Not only is this distribution highly uneven (independently of the type of activity and level of aggregation), it is also remarkably regular regarding its size...

Geographical economics analyzes the endogenous determination of the location of economic activity in a general equilibrium framework. We investigate the impact of pollution by focusing on the interaction between location advantages and negative pollution externalities associated with local...

See the article in <I>Computers Environment and Urban Systems</I> (2013). Volume 38, pages 67-77.<P> This paper aims to provide a new methodological and empirical contribution to the rising literature on the relative performance and benchmarking of large cities in a competitive world. On the basis of a...</p></i>

This paper surveys migration to and from the Netherlands since thesixteenth century with an emphasis on the post-war period. Existingstudies on the labour market performance of immigrants and ethnicminorities are considered and some new results from our recentresearch are presented.<P> See also...</p>

In this paper we determine the effect of transport cost on commuting flows, on the basis of an analysis of home-to-work journeys between municipalities in Denmark. Special attention is given to a proper estimation method and the form of the distance-decay function. It appears that neither an...

This discussion paper resulted in an article in the <I>International Business Review</I> (2012). Volume 21, issue 6, pages 971-986.<P> This study focuses on the external orientations of the second-generation migrant entrepreneurs by addressing in particular the way – and the extent to which – the...</p></i>