@techreport{NBERw13406,
 title = "Aggregate Demand and Supply",
 author = "Roger E. A. Farmer",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "13406",
 year = "2007",
 month = "September",
 URL = "http://www.nber.org/papers/w13406",
}