The diffusion of knowledge in the world generates positive externalities if knowledge flows increase the productivity of R&D. Our work analyzes knowledge diffusion and knowledge externalities in generating innovation and in determining productivity. We first estimate the determinants of...

The paper aims at testing Florida's concept of the Creative Class using panel data for 323 West German regions for the time period 1975-2004. We apply two different es-timation methods, a panel VAR for the complete data set and a dynamic system ap-proach based on GMM for a modified data set...

A new model of economic growth introduces the knowledge filter between new generic knowledge and economically-useful knowledge. It identifies both the formation of new ventures and the absorptive capacity of incumbent firms as the mechanisms that penetrate the knowledge filter. Recent empirical...

A new model of economic growth introduces the knowledge filter between new knowledge and economically useful knowledge. It identifies both new ventures and incumbent firms as the mechanisms that penetrate the knowledge filter. Recent empirical work has shown that new firms are more proficient at...

The paper aims at testing Florida's concept of the Creative Class using panel data for 323 West German regions for the time period 1975 - 2004. Applying a dynamic system approach based on GMM, we find that the local concentration of the Creative Class has predictive power for the economic...

The systems of innovation (SI) approach has been established and extended during the last two decades. Although elementary goals and progress have been reached through seminal contributions by Freeman (1987), Lundvall (1992) or Nelson (1993), in designing a generic approach, displaying the...

This paper investigates whether knowledge transferred from different sources matter differently for carrying out different innovation outcomes, using a firm-level dataset collected in the Pearl River Delta (PRD) in China. It also investigates whether companies in the PRD in China tend to...

This study focuses on the city of São Paulo, Brazil and examines the ways in which irregular and illegal growth have influenced the collective action of social movements of the urban poor. The study describes how São Paulo grew as a socially segregated city during the twentieth century due to...

Rapid urbanization, and particularly the associated problems of urban poverty, unsustainable development and environmental degradation, pose an enormous challenge to many developing countries. In the last decade more foreign aid has been diverted to urbanization and green city development. This...

This paper summarizes and connects the main findings of the habilitation project. The important social developments analyzed, result from the demographic change that many economies will face in the future. Especially on the regional level, problems arise due to increasing disparities in...