Economic Research Southern Africa (ERSA) is a research programme funded by the National Treasury of South Africa. The views expressed are those of the author(s) and do not necessarily represent those of the funder, ERSA or the author’s affiliated institution(s). ERSA shall not be liable to any person for inaccurate information or opinions contained herein. Estimation of optimal conservation fees for international park visitors in the Kgalagadi Transfrontier Park Johane Dikgang and Edwin Muchapondwa ERSA working paper 393 November 2013