Publications of the Research Unit Digital Economy

  1. Refereed Journal // 2004

    Aggressive and Peaceful Behaviour in Contests - The Evolution of Strategies in a Dynamic Game

    Departing from Hirshleifer (1995),we analyse a dynamic contest situation by means of evolutionary simulations. The dynamic link in the model consists in that the resource input in one period of the contest…

  2. ZEW Discussion Paper No. 04-67 // 2004

    Using Methods of Treatment Evaluation to Estimate the Wage Effect of IT Usage

    In this study, I analyze the relationship between IT use and wages in West Germany in 1998/99. I use two estimation approaches: regression based matching and matching on the propensity score. The richness of the…

  3. ZEW Discussion Paper No. 04-62 // 2004

    Computer Use and the Employment Status of Older Workers - An Analysis Based on Individual Data

    This paper analyzes the determinants of computer use by male employees and estimates the impact of computer use on the employment status for older workers, based on individual data from the German Socio-Economic…

  4. ZEW Discussion Paper No. 04-49 // 2004

    Children in Need of Medical Innovation

    As the innovation process of pharmaceuticals is a long, risky and very costly business, economists typically emphasise lack of profit incentives and small market size as the most important obstacles to…

  5. ZEW Discussion Paper No. 04-33 // 2004

    Are Skill Requirements in the Workplace Rising? Stylized Facts and Evidence on Skill-Biased Technological Change

    The present analysis investigates skill requirements in the workplace, measured directly by the task-composition of occupations. It shows that the task composition of occupations has shifted toward analytical…