We use a unique rich newly built data set for German manufacturing enterprises to investigate the product differentiation firm performance relationship. We find that an increase in the degree of product diversification has a negative impact on profitability when observed and unobserved firm...

We use a unique rich newly built data set for German manufacturing enterprises to investigate the relationship between product diversification and the stability of sales and employment. We find that contrary to portfolio theoretic considerations more diversified firms exhibit a higher...

This paper uses a large plant level panel data set from Germany and a matching approach to look for causal effects of starting to export on plant performance. We find positive effects on growth of employment, labor productivity, and wages.

This paper contributes to the empirical literature on the co-determination firm performance nexus by using a new type of data that combines information on the co-determination status of enterprises from a commercial data base and supplementary information collected from the firms with...

This paper contributes to the empirical literature on the co-determination - firm performance nexus by using a new type of data that combines information on the co-determination status of enterprises from a commercial data base and supplementary information collected from the firms with...

Using panel data from Spain Farinas and Ruano (IJIO 2005) test three hypotheses from a model by Hopenhayn (Econometrica 1992): (H1) Firms that exit in year t were in t-1 less productive than firms that continue to produce in t. (H2) Firms that enter in year t are less productive than incumbent...

This paper uses unique new data for German manufacturing enterprises from matched regular surveys and a special purpose survey to investigate the causal effect of relocation of activities to a foreign country on various dimensions of firm performance. Enterprises that relocated activities abroad...