1. Bhagwati, J. 1965. On the equivalence of tariffs and quotas. In Trade, growth and the balance of payments, ed. R. Caves. Chicago: Rand McNally.
2. Bhagwati, J. 1978. Anatomy and consequences of exchange control measures. Cambridge, MA: Ballinger.
3. Blejer, M., and A. Hillman. 1982. On the dynamic non-equivalence of tariffs and quotas in the monetary model of the balance of payments. Journal of Internatiol Economcis 13: 163–169.
4. Driscoll, N., and J. Ford. 1983. Protection and optimum traderestricting policies under uncertainty. Manchester School of Economic and Social Studies 51(1): 21–32.
5. Fishelson, G., and F. Flatters. 1975. The (non)-equivalence of optimal tariffs and quotas under uncertainty. Journal of International Economics 5: 385–393.