Technological progress in western economies has contributed to an immense rise in productivity, incomes and goods available over the last hundred years. Though not to the same extent as productivity and wages, population and employment have risen as well. Nevertheless, innovations are often...

Im Zuge der Umstrukturierung der ostdeutschen Wirtschaft verringerte sich die Produktion in den neuen Bundesländern im Zeitraum von 1989 bis 1991 um über 42 Prozent. Auch 1992 war der Schrumpfungsprozeß noch nicht abgeschlossen und führte weiterhin zu einem starken Beschäftigungsabbau sowie...

The present paper presents an analysis of the impact of public infrastructure capital on regional economic developments in Germany. After presenting some descriptive statistical data on the economies of the 11 regions in (West) Germany a simple theoretical model of a cost-minimizing firm is...

A dynamic random effects probit model is estimated on the first six waves of the German Socio-Economic Panel to test for state dependence effects in male unemployment behaviour. Estimation of the model is based on the marginal likelihood approach. In the model an individual's unemployment...

This paper examines whether the productivity growth in the West-German states is influenced by the provision of public infrastructure. Medium-term labour productivity growth and output growth varies a lot between German states. This differences are more pronounced during the eighties. The...

We test the assimilation hypothesis as initially proposed by Chiswick (1978) by making. use of a rich panel dataset for Germany which allows us to control for unobserved population heterogeneity and potential selectivity bias arising from an individual's re-migration decision and employment...

R&D expenditures of firms varies vastly between and within industries. In recent years a lot of theoretical and empirical studies attempted to explain the distribution of R&D expenditures. Four main factors repeatedly appeared in this literature: Firm size, market power, appropriability and...

Im Auftrag des Bundesministeriums für Forschung und Technologie führt das ZEW seit 1993 im Rahmen des Projektes 'Erhebungen zur Beschreibung des Innovationsverhaltens der deutschen Wirtschaft' umfangreiche Unternehmensbefragungen durch. Mit dem Mannheimer Innovationspanel wird in mehrfacher...