ZEW Discussion Papers

This paper examines the determinants of the inclusion of European companies in the Dow Jones Sustainability World Index and the Dow Jones STOXX Sustainability Index. In doing so, the paper contributes to the…

In this paper, we analyze potential endogeneity problems in former econometric studies which regress corporate environmental performance such as green technology activities on green management. Based on…

Long-term public sector sponsored training programs often show little or negative short-run employment effects and often it is not possible to assess whether positive long-run effects exist. Based on unique…

Die vorliegende Arbeit untersucht die relative Wirksamkeit von Vermittlungsgutscheinen und Beauftragungen Dritter mit der gesamten Vermittlung im direkten Vergleich. Die Untersuchung basiert auf den Prozessdaten…

The performance of young and newly founded firms depends largely to the human capital of the firm owner. The entrepreneur is therefore one of the main success factors for the firm. Yet entrepreneurs differ…

In April 2002 German government introduced job placement vouchers as a new instrument of active labour market policy to foster the transition of unemployed to jobs. This paper investigates the demand, the…

For creditor countries on the periphery of the dollar standard such as China with current account surpluses, foreign mercantile pressure to appreciate their currencies and become more flexible is misplaced.…

On the basis of a theoretical model, we argue that higher aggregate unemployment affects individual returns to education. We therefore include aggregate unemployment and an interaction term between unemployment…

Using register data from the IAB employment sample, this paper studies the wage structure in the German labor market throughout the years 1992{2001. Wage dispersion has generally been rising. The increase was…