Public procurement has been at the centre of recent discussions on innovation policy on both European and national levels (e.g., Aho-Report, Barcelona Strategy). It has a large potential to stimulate innovation since it accounts for 16% of combined EU-15 GDP. We embed public procurement for...

In der Diskussion um Innovationen für eine nachhaltige Entwicklung werden häufig radikale Innovationen gefordert, damit die Transformation der Gesellschaft hin zu einem als nachhaltig empfundenen System gelingen kann. Begründet wird dies mit einer höheren Umwelteffizienz dieser Innovationen....

We examine the relationship between fragmented intellectual property (IP) rights and innovative performance, taking into consideration the role played by in-licensing of IP. Controlling for a variety of firm and market characteristics, we find that firms facing more fragmented IP landscapes are...

We analyze the productivity effects of environmental (green) investment as well as of environmental expenditures and energy expenditures. For this purpose, we follow a production function approach where we account for these investment and expenditure categories as inputs. Based on a panel...

This paper presents evidence on the development of educational attainment and its returns on the labor market in Germany in the time period 1985-2002. Returns to education are estimated using Mincer equations. We analyze microcensus data in addition to GSOEP data, which allows estimating returns...

Using register data from the IAB employment sample, this paper studies the wage structure in the German labor market throughout the years 1992{2001. Wage dispersion has generally been rising. The increase was more pronounced in East Germany and occurred predominantly in the lower part of the...

We focus on one of the core competitive capabilities of modern firms: the ability to deliver successful innovations in a globalized environment. Companies literally find themselves confronted with a world of ideas. The challenge remains to decide which impulses should be on top of the list and...

Empirical work on continuing training in Germany provides surprisingly divergent evidence on the incidence of training. This makes comparison of econometric analyses of the impact of training on labour market outcomes di±cult. Three large German data sets are used here to bring to light the...

In recent years, coinciding with the discussion led in many OECD countries, Germany has started to contract out placement services for the unemployed to private agencies. Whereas in the Netherlands and Australia the whole system of employment services was reorganized at once, making an...

This paper studies the relationship between employment and wage structures in West Germany based on the IAB employment subsample 1975{1997. It extends the analytical framework of Card and Lemieux (2001) which simultaneously includes skill and age as important dimensions of heterogeneity. After...