@inbook{NBERc12378, Crossref = "NBERlern11-1", title = "Why Is It So Difficult to Translate Innovation Economics into Useful and Applicable Policy Prescriptions?", author = "Dominique Foray", BookTitle = "The Rate and Direction of Inventive Activity Revisited", Publisher = "University of Chicago Press", pages = "673-678", year = "2011", month = "April", URL = "http://www.nber.org/chapters/c12378", } @book{NBERlern11-1, title = "The Rate and Direction of Inventive Activity Revisited", author = "Josh Lerner and Scott Stern", institution = "National Bureau of Economic Research", type = "Book", publisher = "University of Chicago Press", year = "2012", URL = "http://www.nber.org/books/lern11-1", }