Exchange rates and Third World debt : hearings before the Subcommittee on International Finance and Monetary Policy of the Committee on Banking, Housing, and Urban Affairs, United States Senate, One hundredth Congress, first session, on the recent developments in the Paris talks on exchange rates, the loan package for Mexico assigned by the bank lenders, the Brazilian decision with respect to its foreign borrowings, and the impact on the U.S. balance of trade, March 26, April 1, 2, and 7, 1987.