Joined the North American Free Trade Agreement (NAFTA) on January 1994, foreign inflows increased substantially and the debt of Mexican banks to foreign banks was increasing, crawling peg system (November 11, 1991-December 21, 1994), in March 1994 political instability sparked investors concerns that the peso might be devalued, December 20, 1994-devaluation of peso (15%), December 22, 1994-implementation of floating exchange rate, after which peso depreciated by 15%, devaluation was followed by a loss of investor confidence, currency devaluation caused other currencies in Latin America to decline, Tequila Effect/Shock/Crisis, in early 1995 Mexico received financial support from the US, IMF, and Bank for International Settlement