R. Andreas Kraemer presented Ecologic's paper on "The Role of Tradable Permits in Water Pollution Control" in Santiago de Chile. The paper – which is available for download –  served as a conceptual framework to support discussions at the Technical Seminar on the Feasibility of the Application of Tradable Water Permits for Water Management in Chile (13-14 November 2003).

Kraemer, R. Andreas; Eleftheria Kampa; Eduard Interwies 2004: The Role of Tradable Permits in Water Pollution Control. Ecologic, Institute for International and European Environmental Policy, Berlin.