@inbook{NBERc3050, Crossref = "NBERhell07-1", title = "The Superstar Inventors and Entrepreneurs: How Were They Educated?", author = "William J. Baumol and Melissa A. Schilling and Edward N. Wolff", BookTitle = "Entrepreneurship: Strategy and Structure", Publisher = "Journal of Economics and Management Strategy 18(3), Fall 2009 (Blackwell Publishing)", year = "2007", month = "September", doi = {https://doi.org/10.1111/j.1530-9134.2009.00227.x}, URL = "http://www.nber.org/chapters/c3050", } @book{NBERhell07-1, title = "Entrepreneurship: Strategy and Structure", author = "Thomas Hellman and Scott Stern", institution = "National Bureau of Economic Research", type = "Book", publisher = "Journal of Economics and Management Strategy 18(3), Fall 2009 (Blackwell Publishing)", year = "2009", URL = "http://www.nber.org/books/hell07-1", }