@inbook{NBERc11741, Crossref = "NBERirwi09-1", title = "Looking Backward: Founding Choices in Innovation and Intellectual Property Protection", author = "B. Zorina Khan", BookTitle = "Founding Choices: American Economic Policy in the 1790s", Publisher = "University of Chicago Press", pages = "315-342", year = "2009", month = "May", URL = "http://www.nber.org/chapters/c11741", } @book{NBERirwi09-1, title = "Founding Choices: American Economic Policy in the 1790s", author = "Douglas A. Irwin and Richard Sylla", institution = "National Bureau of Economic Research", type = "Book", publisher = "University of Chicago Press", year = "2011", URL = "http://www.nber.org/books/irwi09-1", }