1. 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,…

  2. 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. …

  3. 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…

  4. 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…

  5. 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…

  6. 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 …

  7. 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…

  8. 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…

  9. ZEW Discussion Paper Nr. 02-60 // 2002

    The Rationale for Wage Rigidity: Survey Evidence from German and US Firms

    The study provides evidence for the rationale of wage rigidity in Germany compared to the United States. Based on a survey of 801 firms, we extend the study of Campbell and Kanlani (1997, this journal) by…

  10. ZEW Discussion Paper Nr. 02-58 // 2002

    Zur Rolle von Beteiligungskapitalgebern in ihren Portfoliounternehmen: Eine ökonometrische Analyse

    The paper deals with the empirical investigation of the question, which type of venture capital companies (VCC) determine positively the growth and survival of young venture-backed firms. The definition of…

  11. ZEW Discussion Paper Nr. 02-57 // 2002

    The Prospects of Capital Markets in Central and Eastern Europe

    The picture of the securities exchanges and financial sectors in CEE countries is still relatively unfavorable. The CEE securities exchanges – with the only exception of the Warsaw Stock Exchange – are, in…

  12. ZEW Discussion Paper Nr. 02-56 // 2002

    Forecasting Economic Activity in Germany - How Useful are Sentiment Indicators?

    We analyze four economic sentiment indicators for the German economy regarding their ability to forecast economic activity. Using cross correlations and Granger causality tests we find that the ifo business…