• Long-term greenhouse gas emission reductions – what's possible, what's necessary?

    In: Energy Policy (2006) 34: 971-974

  • Carbon dioxide capture and storage (CCS) – liability for non-permanence under the UNFCCC

    In: Int. Environmental Agreements (2006) 6:173-186


  • Grundlagenstudie „Erneuerbare Energien in Hamburg“

    Studie im Auftrag der Behörde für Stadtentwicklung und Umwelt

    der Freien und Hansestadt Hamburg, Hamburg, 2005

  • Emission Trading Schemes in Europe: Linking the EU Emissions Trading with National Programs

    In: Hansjürgens, Bernd (Ed.) Emissions Trading for Climate Policy - US and European Perspectives (2005), Cambridge University Press, p. 199-221

  • Klimaschutzziele in Deutschland - eine arithmetische Betrachtung

    In: Zeitschrift für Umweltrecht und Umweltpolitik (2005) 3:371-381

  • Multi-Period Emissions Trading in the Electricity Sector - Winners and Losers

    HWWA Discussion Paper 268, Hamburg, 2004

  • Climate Policy: Analysis of ecological, technical and economic implications for international maritime transport

    In: International Journal of Maritime Economics (2002) 4: 164


  • Modeling of Energy Services Supply Systems

    In: Energy – The International Journal (1995) 9:941-958