The U.S., which already has an adequate tin stockpile, last week signed a contract to buy 10.000 tons of tin concentrates during the next year from Bolivia. The price: the New York market quotation at the time of delivery. For Bolivia, whose economy is almost totally dependent on tin production (tin exports give it more than 80% of its foreign exchange), the agreement meant a guaranteed market for a third of its output, and a chance to bolster its sagging economy.
The contract broke a long deadlock between the U.S. and Bolivia's revolutionary government. Ever since the RFC stopped buying...