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Bulte, E.H.; Damania, R. 2005. An economic assessment of wildlife farming and conservation. Conservation Biology 19 (4): 1222-1233, figs.1-6.
Bulte, E.H. 2003. Open access harvesting of wildlife: the poaching pit and conservation of endangered species. Agricultural Economics 28 (1): 27-37, figs. 1-3.
Bulte, E.H.; Mason, C.F.; Horan, R.D. 2003. Betting on extinction: endangered species and speculation. Land Economics 79 (4): 460-471, table 1.






