Viewed from the Perspective of a Common Property Rights Problem,reductions

Multiple Choice

Viewed from the perspective of a common property rights problem,reductions in the poaching of elephants for their ivory could be accomplished by

A) assigning the property rights of the elephant herds to specific groups of people.
B) increasing enforcement efforts against poachers.
C) lessening the demand for ivory.
D) taxing ivory products.
E) banning the importation of ivory.