Exploiting the age-at-enrollment policies in 16 German states as exogenous source of variation, I examine whether the schooling of the oldest child in a migrant household affects parents' integration. My analysis links administrative records on primary school enrollment cutoff dates with micro...

This paper presents a History Friendly Model which addresses the issue of the bifurcation in technological stylesʺ between US and Britain during the nineteenth century. The model aims at gaining a better understanding of the micro-dynamics that gave rise to different patterns of innovation in...

This paper deals with the topic of related R&D and innovation strategies of large firms. We ask what determines the diversity of a firm's product portfolio. More specifically, we try to explain large firms' expansion into new product markets driven by the characteristics of their technological...

This paper empirically investigates the determinants of R&D diversification strategies in the drug industry. It enriches the existing literature by proposing to look at diversification factors, which reflect market and technological proximity of an R&D project towards other projects within a...

The aim of this paper is to test how geographical and technological proximity relate to a particular industry’s innovative output. Two mechanisms are therefore tested, i.e. agglomeration economies and the regional exploitation of technological proximity. A new dataset is applied, which...