@techreport{NBERr1810,
 title = "New and Old Keynesians",
 author = "Bruce Greenwald and Joseph Stiglitz",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Reprint Series",
 number = "1810",
 year = "1993",
 month = "September",
 URL = "http://www.nber.org/papers/r1810",
 abstract = {},
}