@techreport{NBERw11209,
 title = "Equivalence Results for Optimal Pass-Through, Optimal Indexing to Exchange Rates, and Optimal Choice of Currency for Export Pricing",
 author = "Charles Engel",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "11209",
 year = "2005",
 month = "March",
 URL = "http://www.nber.org/papers/w11209",
}