@techreport{NBERw13062,
 title = "Volatility, Labor Market Flexibility, and the Pattern of Comparative Advantage",
 author = "Alejandro Cuñat and Marc J. Melitz",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "13062",
 year = "2007",
 month = "April",
 URL = "http://www.nber.org/papers/w13062",
}