Institution: | Alcan Chair for Environmental Management IMD and Institute for Environmental Management and Business Administration, P.O. Box 915, CH–1001 Lansonne e-mail: steger@imd.ch Tel.: +41-21-6180346; Fax: +41-21-6180707, CH Institute for Sociology, University of Hamburg, Allende-Platz 1, 20146 Hamburg, Germany, DE
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