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. 14-091 // 2014

    Staging Innovation Projects: (When) Does it Pay Off?

    Building on real options literature, this study shows that the use of a staged approach for the management of innovation projects affects the innovation output of firms differently depending on firm…

  2. ZEW Discussion Paper No. 14-090 // 2014

    How Do Employment Tax Credits Work? – An Analysis of the German Inheritance Tax

    Employment tax credit programs have been repeatedly used during economic crises, although their usefulness is empirically contestable. The objective of this paper is to quantify the tax effects of employment tax…

  3. ZEW Discussion Paper No. 14-089 // 2014

    Are There Long-Term Earnings Scars From Youth Unemployment in Germany?

    We analyze the relationship between early-career unemployment and prime-age earnings with German administrative linked employer-employee data. The careers of more than 720,000 male apprenticeship graduates from…

  4. ZEW Discussion Paper No. 14-088 // 2014

    Physical Activity of Adults: A Survey of Correlates, Determinants, and Effects

    We survey the literature on the link of labour market related outcomes to individ-ual physical activity and sports participation. The first part of the survey is devoted to the individual participation decision…

  5. ZEW Discussion Paper No. 14-087 // 2014

    Bargaining in Vertical Relationships and Suppliers’ R&D Profitability

    This paper explores the effect of bargaining in vertical relationships on the profitability of suppliers’ R&D investments. Studies on the relationship between R&D and firm profitability mostly concentrate on the…

  6. ZEW Discussion Paper No. 14-086 // 2014

    Combining International Cap-and-Trade with National Carbon Taxes

    This paper examines the effects of combining an international cap-and-trade scheme with national carbon taxes. We consider a two-country stochastic partial equilibrium model with log-normally distributed…

  7. ZEW Discussion Paper No. 14-085 // 2014

    The Impact of Regulation and Competition on the Migration from Old to New Communications Infrastructure: Recent Evidence from EU27 Member States

    Fibre-deployment of next-generation communications networks is currently a major challenge for investing firms as well as for national regulators and is also subject to hot debates at EU level. This work…

  8. ZEW Discussion Paper No. 14-084 // 2014

    The Discontent Cartel Member and Cartel Collapse: The Case of the German Cement Cartel

    We hypothesize a particular source of cartel instability and explore its relevance to understanding cartel dynamics. The cartel instability is rooted in the observation that, upon cartel formation, the relative…

  9. ZEW Discussion Paper No. 14-095 // 2014

    An Unemployment Insurance Scheme for the Euro Area? A Comparison of Different Alternatives using Micro Data

    We analyze different alternatives how a common unemployment insurance system for the euro area (EA) could be designed and assess their effectiveness to act as an insurance device in the presence of asymmetric…

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