Bulte, Erwin H.; Kooten, G. Cornelis van - In: Environment and Development Economics 1 (1996) 04, pp. 433-443
To protect the elephant, trade in ivory has been banned since 1990. In this paper, we demonstrate that this ban's effect on elephant populations is ambiguous. Depending on the discount rate, among other things, the trade ban can either increase or decrease optimal population size. If the...