PURCHASING POWER PARITY VERSUS FIXED EXCHANGE RATE RULES: A STABILITY AND WELFARE ANALYSIS*.Published in:Manchester School (1463-6786), 2012, v. 80, n. 3, p. 321, doi. 10.1111/j.1467-9957.2011.02244.xBy:SHIN, JONG KOOK;SUBRAMANIAN, CHETANPublication type:Article