The American Economic Review, Vol. 74, No. 2. (1984), pp. 361-366.
The American Economic Review, Vol. 80, No. 4. (1990), pp. 837-859.
The Economic Journal, Vol. 39, No. 153. (1929), pp. 41-57.
The Bell Journal of Economics, Vol. 14, No. 2. (1983), pp. 301-314.
The RAND Journal of Economics, Vol. 19, No. 4. (1988), pp. 495-515.
The American Economic Review, Vol. 48, No. 4. (1958), pp. 607-617.
Journal of Economic Literature, Vol. 36, No. 4. (1998), pp. 1947-1982.
(01 April 1990)
(13 May 2004)
(15 March 1983)
Information Economics and Policy, Vol. 14, No. 3. (2002), pp. 327-348.
(2000)
(2002)
Journal of Industrial Economics, Vol. 42, No. 2. (1994), pp. 155-166.
Canadian Journal of Economics, Vol. 31, No. 4. (1998), pp. 886-899.
Journal of Economics & Management Strategy, Vol. 8, No. 2. (1999), pp. 163-190.
(2002)
National University of Singapore, Department of Economics, Working Paper, No. 0309. (2003)
(June 2002)
The American Economic Review, Vol. 68, No. 3. (1978), pp. 324-338.
The Journal of Political Economy, Vol. 92, No. 2. (1984), pp. 236-246.
The Quarterly Journal of Economics, Vol. 93, No. 3. (1979), pp. 395-410.
Journal of Political Economy, Vol. 93, No. 5. (1985), pp. 945-957.
Technological Forecasting and Social Change, Vol. 55 (1997), pp. 131-144.
(January 2004)
(2001)
Information Economics & Policy, No. 15. (2003), pp. 467-483.
(August 2001)
Management Science, Vol. 27 (1991), pp. 125-139.
The Journal of Economic Perspectives, Vol. 5, No. 1. (1991), pp. 3-27.
Journal of Law and Economics, Vol. 32 (1989), pp. 255-280.
(April 1995)
(16 October 2000)
(01 January 1988)
(01 March 2001)
(01 October 2001)
(01 March 2001)