ZEW Discussion Papers

Overview

Researchers at the ZEW participate in scientific debates by publishing their papers. The papers are predominantly in English (marked). For the German papers an English abstract is available. The contributions are intended for a final publication in special interest titles. The discussion papers can be downloaded as PDF or PostScript files starting from 1.1.1998. They aimed at national and international target groups.

  1. ZEW Discussion Paper No. 06-057 // 2006

    Cointegration of Real Estate Stocks and REITs with Common Stocks, Bonds and Consumer Price Inflation - an International Comparison

    This paper analyses the performance of real estate securities and their relationship to other asset classes as well as to consumer price inflation in an international comparison over the period from 1990 to…

  2. ZEW Discussion Paper No. 06-060 // 2006

    Pupil-Teacher Gender Interaction Effects on Scholastic Outcomes in England and the USA

    The difference between girls and boys academic performance is a major issue on both sides of the Atlantic. Do boys and girls fair better with a teacher of their own gender? This paper investigates the presence…

  3. ZEW Discussion Paper No. 06-059 // 2006

    Empirical Evidence on the Success of R&D Co-operation - Happy together?

    In this paper we analyse the effect of R&D co-operation on firms' innovation performance. We investigate the effect of past co-operation on current sales of innovative products, distinguishing between products…

  4. ZEW Discussion Paper No. 06-058 // 2006

    Emission Trading Beyond Europe: Linking Schemes in a Post-Kyoto World

    This paper assesses the economic impacts of linking the EU Emission Trading Scheme (ETS) to emerging schemes beyond Europe, in the presence of a post-Kyoto agreement in 2020. Simulations with a numerical…

  5. ZEW Discussion Paper No. 06-056 // 2006

    Patent Protection, Market Uncertainty, and R&D Investment

    Real options investment theory predicts current investment falls as uncertainty about market returns increases. In the case of R&D investment, which is usually considered an irreversible form of investment, this…

  6. ZEW Discussion Paper No. 06-055 // 2006

    Business R&D and the Interplay of R&D Subsidies and Market Uncertainty

    Real Options Theory, Uncertainty, R&D, Censored Regression�t (R&��@ubsiÐå€ may����uce ����et f����res affecting private R&D investment caused by incomplete appropriability of knowledge and financial…

  7. ZEW Discussion Paper No. 06-054 // 2006

    Wirksamkeit von Arbeitsbeschaffungsmaßnahmen in Deutschland: Empirische Befunde mikroökonometrischer Analysen

    In einer Reihe empirischer Studien sind die Wirkungen von Arbeitsbeschaffungsmaßnahmen (ABM) für Teilnehmer in Deutschland nach unterschiedlichen Gesichtspunkten mikroökonometrisch evaluiert worden. Auf der…

  8. ZEW Discussion Paper No. 06-053 // 2006

    The Wage Effects of Entering Motherhood - A Within-firm Matching Approach

    We analyze the wage effects of employment breaks of women entering motherhood using a novel within-firm matching approach where mothers' wages upon return to the job are compared with those of their female…

  9. ZEW Discussion Paper No. 06-052 // 2006

    Generationen- oder Parteienkonflikt? Eine empirische Analyse der deutschen Hochschulausgaben

    In diesem Beitrag wird auf der Basis von Paneldaten für die westdeutschen Bundesländer untersucht, ob und in welchem Maße der demographische Wandel sowie die unterschiedlichen politischen…

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