The remarkable stability of the cooperation among the members of the Organization of Petroleum Exporting Countries (OPEC) has generally been explained by these members’ mutual dependency on high and stable oil revenues. Since the OPEC countries, however, face the double security dilemma of...

Aguiar-Conraria and Wen (2008) argued that dependence on foreign oil raises the like-lihood of equilibrium indeterminacy (economic instability) for oil importing countries. We argue that this relation is more subtle. The endogenous choices of prices and quantities by a cartel of oil exporters,...