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…
This paper analyses the saving behaviour of German individuals and households aged between 30 and 50 with respect to inheritances and transfers inter vivos. The analysis is based on recent data of the German…
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.…
This paper empirically analyzes the distribution of unemployment durations in West-Germany before and after the changes during the mid 1980s in the maximum entitlement periods for unemployment benefits for…
Thema dieser Arbeit ist eine ökonomische Einordnung der beruflichen Weiterbildung (FbW) als Teil der Aktiven Arbeitsmarktpolitik in Deutschland. Die Analyse erfolgt im Lichte des sektoralen Wandel, der…
The paper deals with the subtraction rule, which has been proposed by the „working group security of supply in service of the cartel offices of the federal republic and the states” as an instrument to identify…
Starting in 2005, the EU will implement a CO2 emissions trading scheme. In this paper we show that the outspoken goals of economic efficiency and free allocation of allowances are incompatible with harmonized…