1. Discussion und Working Paper // 2006

    Numerical Solution of Optimal Control Problems with Constant Control Delays

    We investigate a class of optimal control problems that exhibit constant exogenously given delays in the control in the equation of motion of the differential states. Therefore, we formulate an exemplary optimal…

  2. ZEW Discussion Paper Nr. 06-032 // 2006

    Asset Pricing with a Reference Level of Consumption: New Evidence from the Cross-Section of Stock Returns

    Überarbeitete Version, ursprünglicher Titel: Consumption-Based Asset Pricing with a Reference Level: New Evidence from the Cross-Section of Stock Returns

    This paper presents an empirical evaluation of…

  3. ZEW Discussion Paper Nr. 06-094 // 2006

    Dynamic R&D Incentives with Network Externalities

    This paper studies the incentives to undertake uncertain R&D initiatives in a dynamic duopoly network industry. It is shown that network externalities positively affect the incentives to invest in R&D. In the…

  4. ZEW Discussion Paper Nr. 06-093 // 2006

    R&D Incentives, Compatibility and Network Externalities

    This paper analyzes the impact of network externalities on R&D competition between an incumbent and a potential entrant. The analysis shows that the incumbent always invests more than the entrant in the…

  5. ZEW Discussion Paper Nr. 06-092 // 2006

    Unemployment Duration in Germany: Individual and Regional Determinants of Local Job Finding, Migration and Subsidized Employment

    Recent labor market reforms in Germany aim, among other things, at reducing unemployment by restricting passive unemployment measures, emphasizing local labor market policies and re-structuring public employment…

  6. ZEW Discussion Paper Nr. 06-091 // 2006

    Rivals or Partners? Evidence from Europe's International Private Equity Deals

    Cross-border private equity deals have increased substantially in recent years. This study looks at the issue of how European investors view their local counterparts in the portfolio companies’ home countries.…

  7. ZEW Discussion Paper Nr. 06-089 // 2006

    Die Entscheidung über betriebliche Weiterbildungsinvestitionen - Eine empirische Analyse mit dem Mannheimer Innovationspanel

    Mit den Daten des Mannheimer Innovationspanels wird für die Jahre 1999 bis 2002 untersucht, welche Faktoren die zweistufige betriebliche Weiterbildungsentscheidung determinieren. Eine Probit-Schätzung zeigt,…