ZEW Discussion Papers

I investigate the impact of the European Union Emissions Trading Scheme (EU ETS) on fuel efficiency of fossil fuel power plants using administrative micro data on power plants in Germany from 2003 to 2012. I…

A new type of player occurs in the sharing economy: a vertically integrated consumer who owns production facilities and has direct market access, often termed “active prosumer”. The prosumer faces a trade-off…

The paper investigates the reaction of public R&D spending on economic crises. We are interested in two counteracting motives: On the one hand, public R&D spending can be seen as a means to fight the crisis, and…

In this paper, I investigate the influence of tax incentives on the financial structures of mergers and acquisitions (M&A) conducted by multinational entities (MNE). Previous research has already found…

This paper presents an analysis of the recent developments of average market power in Europe by using a broad firm-level database for EU member states. To indicate competitive pressure at the firm-level, markups…

In Germany, R&D subsidies are an important tool to support innovation in the private sector. This paper studies the welfare effects of R&D subsidies distributed through the German federal government’s thematic…

We analyze the data collection strategies of 65,000 developers in the market for mobile applications and track 300,000 applications over four years. Many apps belong to developers with multiple apps. This fact…

We investigate whether appointing a middle management level   affects startups’ innovation  performance. Additional hierarchical levels are often   suspected to restrict innovative activities.  However,…