00293nam a2200121Ia 4500020001500000082002600015100002300041245004000064260003500104300002200139500000500161700000500166  a072040505X  a338.5230151bF9111.OT  aFriedman, James W.  aOligopoly and the theory of famesb  aAmsterdambNorth-Hollandc1977  axiii, 311p. Index  a  a