@techreport{NBERr1111,
 title = ""The New Keynesian Economics and the Output-Inflation Trade-off"",
 author = "Laurence M. Ball and N. Gregory Mankiw and David H. Romer",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Reprint Series",
 number = "1111",
 year = "1989",
 month = "February",
 URL = "http://www.nber.org/papers/r1111",
 abstract = {},
}