Ronald McKinnon
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Ronald McKinnon (born September 20, 1973 in Fort Rucker, Alabama) is an American football linebacker, currently a free agent in the NFL. He was originally signed as an undrafted free agent by the Arizona Cardinals out of the University of North Alabamawhere he won three division II National Championships. He was the winner of 1995 Harlon Hill Trophy (Division II's equivalent to the Heisman Trophy.) He played for the Cardinals from 1996-2004. He also played one season for the New Orleans Saints.
Ronald McKinnon was also one of the contributors of the Optimum Currency Area theory. He recognised that a systematic use of exchange rates will be more costly in a relatively open economy than in a relatively closed. The cost was related to the higher price variability with the devaluation and depreciation.