@techreport{NBERw12971,
 title = "Will the Doha Round Lead to Preference Erosion?",
 author = "Mary Amiti and John Romalis",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12971",
 year = "2007",
 month = "March",
 URL = "http://www.nber.org/papers/w12971",
}