@inbook{NBERc10781,
 Crossref = "NBERjaff01-1",
 title = "Should the Government Subsidize Supply or Demand in the Market for Scientists and Engineers?",
 author = "Paul M. Romer",
 BookTitle = "Innovation Policy and the Economy, Volume 1",
 Publisher = "MIT Press",
 pages = "221-252",
 year = "2001",
 month = "January",
 URL = "http://www.nber.org/chapters/c10781",
}
@book{NBERjaff01-1,
 title = "Innovation Policy and the Economy, Volume 1",
 author = "Adam B. Jaffe and Josh Lerner and Scott Stern",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "MIT Press",
 year = "2001",
 URL = "http://www.nber.org/books/jaff01-1",
}