@inbook{NBERc7270, Crossref = "NBERacem08-1", title = "The Timing of Labor Market Expansions: New Facts and a New Hypothesis", author = "Giuseppe Moscarini and Fabien Postel-Vinay", BookTitle = "NBER Macroeconomics Annual 2008, Volume 23", Publisher = "University of Chicago Press", pages = "1-51", year = "2009", month = "April", URL = "http://www.nber.org/chapters/c7270", } @book{NBERacem08-1, title = "NBER Macroeconomics Annual 2008, Volume 23", author = "Daron Acemoglu and Kenneth Rogoff and Michael Woodford", institution = "National Bureau of Economic Research", type = "Book", publisher = "University of Chicago Press", year = "2009", URL = "http://www.nber.org/books/acem08-1", }