We investigate the relationship between cell phones and brain cancer using brain cancer death rates for 86 countries between 1990 and 2014 from the World Health Organization and country-level mobile phone subscription rates from the World Bank. We estimate difference-in-difference models...

This paper deploys a dynamic extension of the Melitz (2003) model to generate predictions on export market exit and firm survival in a setting where firms endogenously make exit decisions. The central driver of the model dynamics is the inclusion of exogenous economy wide technological progress....

This paper attempts to evaluate the macroeconomic impact of venture capital (VC). We test the assumption that VC is similar in several respects to business R&D performed by large firms and therefore contributes to economic growth through two main channels: innovation and absorptive capacity. The...

This paper attempts to identify and evaluate the main determinants of venture capital (VC). We develop a theoretical model where macroeconomic conditions, technological opportunity, and the entrepreneurial environment affect the demand and supply of VC. The quantitative results, based on a panel...

This paper develops an extended version of the quality-ladder model by allowing for heterogeneous markets. Based on this model, it presents an empirical analysis of innovation-based growth at the market level using a technometric measurement concept. It can be shown that a growth-promoting...

Our paper analyzes the interplay of organizational demography with the propensity to adopt an innovative practice. In particular, we examine how the demographical composition of professional German football teams influenced the adoption of the chain-defense-system (?Viererkette?) as well as the...

Recent studies have documented extensive heterogeneity in firm performance within countries, and innovation has been found as an important determinant. This paper addresses the issue of innovation firm performance across countries. A growing number of national firm level studies on the...

This paper analyzes computer use by older male employees and estimates the impact of computer use on their employment status, based on individual data from the German Socio-Economic Panel (GSOEP) for the years 1997 and 2001. In line with previous research on the diffusion of new technologies, a...

The European Commission has recently stepped up its promotion of the ?Integrated Product Policy?. The objective of the IPP is to support the realisation of environmental product innovations and thus to achieve a broad reduction of all environmental impacts throughout a product?s life cycle....

Using the model recently developed by Jaumandreu (2003) this paper reports new results on the relationship between innovation and employment growth in Germany. The model is tailor-made for analysing firm-level employment effects of innovations using specific information provided by CIS data. It...