ZEW Discussion Papers

This paper tests some of the predictions of recent advances in trade theory that have focused on different trade patterns of firms within the same sector. Helpman, Melitz and Yeaple (2005) develop a model in…

This paper investigates whether firms innovate persistently or discontinuously over time using an innovation panel data set on German manufacturing and service firms for the period 1994–2002. We find that…

The choice of the appropriate sales mode belongs to the firm’s most important strategic decisions after entering into a foreign market. Thus, it is important that the selected foreign sales mode best suits a…

Globalization has led to exciting new business opportunities around the globe. Still, national and cultural boundaries have not evaporated into a “borderless world.” Several studies have identified so-called…

The combination of research and development units following a merger or an acquisition usually requires a broad and widespread integration project to ensure that a company’s innovative capabilities are carried…

We estimate the effect of initial episodes under fixed-term contracts (FTCs)on job duration in the further course of the employment spell, using data from the German Socio-Economic Panel (SOEP) from 1985 to…

We use a multivariate hazard model for the analysis of data on the timing of ratifications of different ILO conventions by developing countries. The model accounts for two random effects, one at the country…

This paper studies energy bias in technical change. For this purpose, we develop a computable general equilibrium model that builds on endogenous growth models. The model explicitly captures links between…