This paper analyzes the effects of three alternative rules on the long-run distributions of both the spot and futures prices ina single commodity market, in which the key behavioral relationships are derived from the optimizing behavior of producers and speculators.The rules considered include:...

A dynamic dependent-economy model is developed to investigate the role of the real exchange rate in determining the effects of foreign aid. If capital is perfectly mobile between sectors, untied aid has no longrun impact on the real exchange rate. A decline in the traded sector occurs because...