Publications of the Research Unit Digital Economy

• Konjunktur trotzt Kreditkrise
• Die voraussichtliche Lage in der EWU
• Ergebnisse der Maiumfrage 2008
• Konjunkturaussichten hellen sich auf
• Finanzmarktkrise verändert europäische Bankenlandschaft
• Konjunkturbedingte…

The telecommunications sector is characterized by economies of scale and scope, high sunk costs, and strong network effects. This combination may facilitate monopolization and abuse of market power. The…

• Exporting Companies Exhibit Higher Labour Productivity
• German Innovation Survey 2007 – A Clear Increase in Innovation Expenditure
• Self-Productivity in Early Childhood
• Discussion about Energy Security
• ZEW-Workshop on…

This paper empirically analyzes the relationship between firm-provided IT training and the firm's proportion of older workers. Using data from the ZEW ICT survey of the years 2004 and 2007, the results show that…

Positiver Jahresauftakt bei Dienstleistern der Informationsgesellschaft

Der ZEW-IDI, Stimmungsindikator für den Wirtschaftszweig Dienstleister der Informationsgesellschaft, erreicht im ersten Quartal 2008 einen…

• Germany: Economic Upturn and Competition Provide Impetus for R&D
• The Future of the European Union's Financing System
• Acquisitions Reduce Competition in Technology Markets
• IT Outsourcing: German Companies Prefer…

The two-level CES aggregate production function - that nests a CES into another CES function - has recently been used extensively in theoretical and empirical applications of macroeconomics. We examine the…

Normalising CES production functions in the calibration of basic dynamic models allows to choose technology parameters in an economically plausible way. When varia- tions in the elasticity of substitution are…