Mason, C.F.; Bulte, E.H.; Horan, R.D. 2012. Banking on extinction: endangered species and speculation. Oxford Review of Economic Policy 28 (1): 180–192.
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.






