Affiliation: | Joseph Vogel is Research Associate in environmental economics at the Centre for International Research on Communication and Information Technologies (CIRCIT), 4 Riverside Quay, South Melbourne, Victoria 3205, Australia (fax 61 3 616 8800) and Gordon Ingram is with the Department of Plant Science &Department of Forest Resources Management University of British Columbia, 270–2357 Main Mall, Vancouver, B.C. Canada V6T IZ4 (fax 1 604 822 8640). |