@inbook{NBERc1248,
 Crossref = "NBERnadi73-1",
 title = "Nature of the Problem and Relation to the Literature",
 author = "M. Ishaq Nadiri and Sherwin Rosen",
 BookTitle = "A Disequilibrium Model of Demand for Factors of Production",
 Publisher = "",
 pages = "1-12",
 year = "1973",
 URL = "http://www.nber.org/chapters/c1248",
}
@book{NBERnadi73-1,
 title = "A Disequilibrium Model of Demand for Factors of Production",
 author = "M. Ishaq Nadiri and Sherwin Rosen",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "",
 year = "1973",
 URL = "http://www.nber.org/books/nadi73-1",
}