ZEW Discussion Papers

Die Arbeit untersucht den von der „Arbeitgruppe Netznutzung Strom der Kartellbehörden des Bundes und der Länder“ vorgeschlagenen Subtraktionstest, mit dessen Hilfe missbräuchlich überhöhte Netznutzungsentgelte…

New version, original title: Underdiversification in Private Companies – Required Returns and Incentive Effects

Owners of private companies often invest a substantial share of their net worth in one company,…

This study focuses on the impact of innovation policies and R&D collaboration in Germany and Finland. We consider collaboration and subsidies as heterogeneous treatments, and perform an econometric matching to…

Successful innovative activity is a major contribution to the intangible capital of firms. Although its importance is generally acknowledged, the contribution to companies’ profits is a priori unclear. We…

For small high-tech firms international orientation is regarded as crucial for growth and long-term survival. Even newly founded technology based firms (NTBFs) are often internationally active shortly after…

The present paper first discusses theoretically the different incentives of manager- versus owner-controlled firms for investment into innovative activity. In addition, the role of debt financing is analyzed.…

This study examines the effect of R&D tax credits on innovation activities of Canadian manufacturing firms. Over the 1997-1999 period the Federal and Provincial R&D tax credit programs were used by more than one…

This paper analyzes the persistence of firms' exporting behavior in a panel of West German manufacturing firms. Dynamic binary choice models allow us to distinguish between true and spurious state dependence in…

We implement an endogeneous switching-regression model for labour productivity and firms' decision to use business-to-business (B2B)e-commerce. Our approach allows B2B usage to affect any parameter of the labour…