1. ZEW Discussion Paper No. 08-092 // 2008

    Innovation Success of Non-R&D-Performers - Substituting Technology by Management in SMEs

    This paper investigates the role of research and development (R&D) and innovation management for innovation success in small and medium-sized enterprises (SMEs). While there is little doubt about the…

  2. ZEW Discussion Paper No. 08-091 // 2008

    Clean and Productive? Evidence from the German Manufacturing Industry

    With the public opinion getting more aware of adverse environmental consequences of economic activities, many firms have improved environmental performance not only due to more stringent environmental regulation…

  3. ZEW Discussion Paper No. 08-090 // 2008

    Language Usage, Participation, Employment and Earnings - Evidence for Foreigners in West Germany with Multiple Sources of Selection

    Language proficiency may not only affect the earnings of the individual, but the probability to participate in the labor market or becoming employed as well. It may also affect selection of people into economic…

  4. ZEW Discussion Paper No. 08-089 // 2008

    The Immigrant Wage Gap in Germany

    Immigrants consist of foreigners and citizens with migration background. We analyze the wage gap between natives and these two groups in Germany. The estimates show a substantial gap for both groups with respect…

  5. Expertises // 2008

    Integrierte Analyse der Einkommens- und Vermögensverteilung

    The report is a background study for the 3rd report on poverty and wealth of the German Federal Government and analyses the development of the distribution of income and wealth in Germany in an integrated…

  6. Contributions to Edited Volumes and Conference Proceedings // 2008

    Benford Analyse - Einfachheit oder Schlichtheit?

  7. Monograph // 2008

    Multi-layer Perceptron Networks for Ordinal Data Analysis

    Whether the results of statistical procedures are accepted or not is strongly influenced by the way how they are interpreted. Effects based on data encodings and the order in which the data occurs in the…