Based on the data of the first wave of the Mannheim Innovation panel, this paper explores the link between R&D expenditures and patents. Our data allow a detailed analysis of the firm size distribution of R&D and patent applications at different patent offices. It is shown that the share of R&D...

Established theories in international business come to different conclusions when specifically applied to the analysis of the international activities of start-up companies in high-technology industries. Using a new dataset of 495 British and German start-ups operating in high-technology...

This paper develops a three stage oligopoly game for R&D cooperation, R&D expenditure and product market competition. In the first stage, firms decide whether or not to conduct R&D in cooperation with other firms. In the second stage the level of R&D investment is determined. Finally, firms...

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...

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...

Employment termination in East Germany in the first nine months after unification is analyzed within a discrete hazard rate model with three absorbing states, namely short-time work, unemployment and non-participation. Estimation is based on a cohort of employed individuals in June 1990 and the...

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...