@inbook{NBERc12842, Crossref = "NBERjorg12-1", title = "Experimental Measures of Output and Productivity in the Canadian Hospital Sector", author = "Wulong Gu and Stéphane Morin", BookTitle = "Measuring Economic Sustainability and Progress ", Publisher = "", year = "2012", month = "October", URL = "http://www.nber.org/chapters/c12842", } @book{NBERjorg12-1, title = "Measuring Economic Sustainability and Progress ", author = "Dale W. Jorgenson and J. Steven Landefeld and Paul Schreyer", institution = "National Bureau of Economic Research", type = "Book", publisher = "", year = "2013", URL = "http://www.nber.org/books/jorg12-1", }