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b. Deprechate by 8 pereent against dollar Hould be expected io c. Remaim ate by 8 percent against the yon d. None of the existing exchange rale 17. Long-run determinants of the dollar's exchange value include all of the lollowing except 9. Preferences of Americains for foreign produced goods b. U.S. turiffs placed on imports of foreign produced goods c. Productivity of the American worker d. Interest rates in U.S. financial markets 18. Which exchange-rute mechanism calls for frequens redefining of the par valuc by smill umounts to roriove a payments disequilibrium? a. Dual exchange rates b. Adjustable pegged exchange rates c. Managed floating exchange rates d. Crawling pegged exchange rates