Raa, Thijs ten - In: RAND Journal of Economics 15 (1984) 1, pp. 135-141
Sharkey has conjectured that for a natural monopoly: (1) the core price vector of some output vector (which renders any partial supply of the output unprofitable) lies on the demand curve; and (2) such a price vector is sustainable, meaning that supply by an entrant would be unprofitable, even at...