Publications of the Research Unit Digital Economy

  1. ZEW Discussion Paper No. 02-54 // 2002

    Optimal Cover Prices and the Effects of Website Provision on Advertising and Magazine Demand

    I derive and estimate a model for cover price setting in print media markets where actors are faced by two interrelated demand curves: the demand for the print medium and the demand for advertising space.…

  2. Contributions to Edited Volumes and Conference Proceedings // 2002

    Quantification of Qualitative Data Using Ordered Probit Models

    This paper aims at providing business survey analysts with simple econometric tools to quantify qualitative survey data. We extend the traditional and commonly applied method proposed by Carlson and Parkin…

  3. ZEW Discussion Paper No. 02-81 // 2002

    ICT and International Corporate Taxation: Tax Attributes and Scope of Taxation

    In this paper, an outline of the consequences of the increased use of ICT on international corporate taxation, namely on the tax attributes and the scope of taxation, is given. It is argued that the concept of…

  4. ZEW Discussion Paper No. 02-80 // 2002

    Competition in the German Broadband Access Market

    This paper gives a survey of the current state of competition in the German Broadband access market. Existing regulations and their impact on the deployment of high-speed Internet access are evaluated. It is…

  5. ZEW Discussion Paper No. 02-43 // 2002

    Does Experience Matter? Innovations and the Productivity of ICT in German Services

    In this paper, it is argued that ICT investment is closely linked with complementary innovations and most productive in firms with innovative experience. In an analysis based on firm–level panel data covering…