1. ZEW Discussion Paper Nr. 02-78 // 2002

    Hochschulranglisten als Qualitätsindikatoren im Wettbewerb der Hochschulen

    Am Beispiel der Wirtschaftswissenschaften wird untersucht, inwieweit Studierende die Qualität der Fachbereiche bei der Studienortwahl berücksichtigen. Im Rahmen eines Gravitationsansatzes zeigt sich, dass vor…

  2. ZEW Discussion Paper Nr. 02-77 // 2002

    What Drives Market Structure? On the Relation Between Firm Demographic Processes, Firms’ Innovative Behaviour and Market Structure.

    In this paper we suggest an structural model that specifies firm growth as a function of firm specific parameters and of competition for purchase power with other firms on a given market. Moreover, we…

  3. ZEW Discussion Paper Nr. 02-76 // 2002

    Entrepreneurship Capital and Economic Performance

    The neoclassical model of the production function, as applied by Robert Solow to build the neoclassical model of growth, linked labor and capital to output. More recently, Romer and others have expanded the…

  4. ZEW Discussion Paper Nr. 02-74 // 2002

    Research and Development: Financial Constraints and the Role of Public Funding for Small and Medium-sized Enterprises

    This paper presents microeconometric evidence on financing contraints for research and development activities in German small and medium–sized firms (SME). Special attention is paid to the role of public R&D…

  5. ZEW Discussion Paper Nr. 02-73 // 2002

    Measuring the Impact of Innovation on Firm Value: A New Approach

    Most of the existing empirical literature on the relationship of firm value and knowledge capital is based on the stock market valuation of companies. However, the assets of many firms are not publicly traded,…

  6. ZEW Discussion Paper Nr. 02-72 // 2002

    Erfolgsabhängige Vergütung: Ein sicherer Weg zur Steigerung der Leistung von Top-Managern?

    Dieser Beitrag zeigt auf Basis einer Befragung von Führungskräften eines internationalen Konzerns, unter welchen Bedingungen eine erfolgsabhängige Vergütung einen positiven Motivationseffekt erzielen kann. …

  7. ZEW Discussion Paper Nr. 02-70 // 2002

    The Changing Life Cycle Pattern

    It is often noted that employment rates of females have been rising during the last decades. However, in contrast to men, women are often part-time employed and the allocation of working time over the…

  8. ZEW Discussion Paper Nr. 02-69 // 2002

    Is the View from the Eurotower Purely European? National Divergence and ECB Interest Rate Policy

    The official view on ECB monetary policy claims that monetary decisions are based solely on average data for the euro zone and that diverging regional developments are disregarded. However, experience from…

  9. ZEW Discussion Paper Nr. 02-67 // 2002

    Family and Gender Still Matter: The Heterogeneity of Returns to Education in Germany

    Using information on family background, we estimate returns to education, allowing for the heterogeneity of returns. In order to control for the unobserved heterogeneity shared by family members, we construct…

  10. ZEW Discussion Paper Nr. 02-65 // 2002

    Comparison Between Unitary and Collective Models of Household Labor Supply With Taxation

    Several recent papers have shown the relevance of collective models for the empirical investigation of household labor supply and consumption. Yet the estimation of collective models in the presence of …

  11. ZEW Discussion Paper Nr. 02-64 // 2002

    Almost Consistent Estimation of Panel Probit Models with ‘Small’ Fixed Effects

    We propose four different GMM estimators that allow almost consistent estimation of the structural parameters of panel probit models with fixed effects for the case of small T and large N. The moments used are…

  12. ZEW Discussion Paper Nr. 02-63 // 2002

    The Empirical Assessment of Technology Differences: Comparing the Comparable

    This paper compares technologies across space and time on the basis of factual and counterfactual substitution elasticities and argues that differences in estimated substitution elasticities should be decomposed…