ZEW Discussion Papers

In this paper, human capital investments are evaluated by assuming heterogeneous returns to education. We use the potential outcome approach to measure the causal effect of human capital investments on earnings…

The present analysis investigates skill requirements in the workplace, measured directly by the task-composition of occupations. It shows that the task composition of occupations has shifted toward analytical…

This paper sets out to analyze the influence of different types of venture capitalists on the performance of their portfolio firms around and after IPO. We investigate the hypothesis that different governance…

Worker remittances constitute an increasingly important mechanism for the transfer of resources from developed to developing countries, and remittances are the second-largest source, behind foreign direct…

Based on a unique firm level data set of the German manufacturing sector, this paper provides new empirical evidence regarding the determinants of different types of environmental technological innovations. We…

Überarbeitete Version, ursprünglicher Titel: Underdiversification in Private Companies – Required Returns and Incentive Effects
Owners of private companies often invest a substantial share of their net worth in…

Die Untersuchung analysiert das Sparverhalten der über 30- bis unter 50jährigen Personen bzw. Haushalte mit Haushaltsvorständen in dieser Altersgruppe in Reaktion auf erhaltene Erbschaften bzw. Transfers zu…

The increased use of information and communication technologies (ICT) leads to new ways of doing business internationally. Nowadays, firm-specific intangible assets as well as services often constitute the most…

This paper analyzes changes in the risk of unemployment and changes in the distribution of unemployment duration for the 26 to 41 years old working population in West-Germany during the 1980ties and 1990ties.…