1. ZEW-Schriftenreihe Umwelt- und Ressourcenökonomie // 2004

    Nachhaltige Entwicklung im Personenverkehr

  2. ZEW Economic Studies Vol. 24 // 2004

    Economic Foundation of Asset Price Processes

    In this book the relation between the characteristics of investors' preferences and expectations and equilibrium asset price processes are analysed. It is shown that declining elasticity of the pricing kernel…

  3. Contributions to Edited Volumes and Conference Proceedings // 2004

    Entwicklung von Führungskompetenz im gewerblichen Bereich

  4. Refereed Journal // 2004

    Innovation indicators and corporate credit ratings: evidence from German firms

    The literature on the relationship between firm value and knowledge capital is based on stock market valuation. We use a credit rating score as an alternative measure. Innovative firms achieve better ratings,…

  5. Refereed Journal // 2004

    Productivity Effects of Organizational Change: Microeconometric Evidence

    This paper analyzes the relationship between investment in information and communication technologies (ICT), non--ICT--investment, labor productivity and workplace reorganization. Firms are assumed to…