The German potable water supply industry is regarded as being highly fragmented, thus inhibiting high potentials for efficiency improvements through consolidation. Focusing on a hypothetical restructuring of the industry, we apply Data Envelopment Analysis (DEA) to analyze the potential...

In a series of experimental games, each of two players may choose between remuneration based on either private or team effort. Although at least one of the players has the subgame perfect equilibrium strategy to choose remuneration based on private effort, we frequently observe team remuneration...

Whereas the number of paid overtime hours declined over the last two decades in Germany, a different trend can be observed for unpaid overtime. We analyze future consequences of unpaid work with respect to a worker's career advancement, such as higher future wages and probabilities of promotion...

We propose a generalized estimating equations approach to the analysis of the mean and the covariance structure of a bivariate time series process of panel data with mixed continuous and discrete dependent variables. The approach is used to jointly analyze wage dynamics and the incidence of...

In the 1990s overtime incidence in Great Britain and West Germany is quite similar, while the average amount of hours of overtime for full-time male workers with overtime in Great Britain is roughly twice those in Germany for all years. We observe striking differences between the two countries...

Why do people work unpaid overtime? We show that remarkable long-term labor earnings gains are associated with unpaid overtime in West Germany. A descriptive analysis suggests that over a 10-year period workers with unpaid overtime experience on average at least a 10 percentage points higher...

This paper investigates the links between locational conditions, innovative capabilities and internationalization of manufacturing SMEs. Two modes of foreign market servicing are explored: exporting activity and relocating of selected business activities abroad. The empirical analysis employs...

This paper discusses the impact of a firm's technology portfolio on its market value. Two concepts are used to characterize a firm's portfolio: the number of technological fields and the degree of relatedness within the portfolio characterized by the amount of joint occurrences of patents in...

After 20 years of transition from an economy integrated in an exchange scheme of planned economies towards an open market economy based on the ideas of competition, we ask whether East German firms succeeded in finding their place in the international division of labour. We concentrate on the...

The paper studies the dynamics of exporting activity at the extensive and intensive margins and its impact on the firm-level total factor productivity growth for Ukraine manufacturing and service sectors in 2000-2005. The estimation is performed for different types of export markets...