@techreport{NBERw13144, title = "Outsourcing and Volatility", author = "Paul R. Bergin and Robert C. Feenstra and Gordon H. Hanson", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Working Paper Series", number = "13144", year = "2007", month = "June", URL = "http://www.nber.org/papers/w13144", }