1. Endogenous Growth Theory,1998
2. Dynamic count data models of technological innovation;Blundell;Economic Journal,1995
3. Business Week, 1994. Can America afford the transistor today? Business Week, March 7.
4. Business Week, 1995. Blue sky research comes down to earth. Business Week, July 3.
5. Business Week, 1999. An ivory tower that spins pure gold. Business Week, April 19.