Recent literature on multinational firms has stressed the importance of low productivity as a barrier to the cross-border expansion of firms. But firms may also need external finance to shoulder the costs of entering foreign markets. We develop a model of multinational firms facing real and...

Exporters and multinationals are larger and more productive than their domestic counterparts. In addition to productivity, financial constraints and labor market constraints might constitute barriers to entry into foreign markets. We present new empirical evidence on the extensive and intensive...

We provide firm-level evidence concerning four key facts of services trade in Germany. First, not only firms classified as service firms, but also firms from all industries export and import services. Second, service trade patterns are fairly similar to those in goods trade. Most notably,...

In this paper we present latest facts about the R&D activities of German multinational companies abroad and R&D activities of foreign companies in Germany. These results confirm that Germany is still an attractive location for R&D activites of multinational companies in many technological...

The interdependence of electricity and natural gas is becoming a major energy policy and regulatory issue in all jurisdictions around the world. The increased role of gas fired plants in renewable-based electricity markets and the dependence on gas imports make this issue particular striking for...

Electricity markets depend on upstream energy markets to supply the fuels needed for generation. Since these markets rely on networks, congestion in one can quickly produce changes in another. In this paper we develop a combined partial equilibrium market model which includes the interactions of...