@techreport{NBERw12684, title = "Optimal exchange rate regimes: Turning Mundell-Fleming's dictum on its head", author = "Amartya Lahiri and Rajesh Singh and Carlos A. Vegh", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Working Paper Series", number = "12684", year = "2006", month = "November", URL = "http://www.nber.org/papers/w12684", }