00837nam0-22002891i-450-99000686223040332120001010000686223FED01000686223(Aleph)000686223FED0100068622320001010d--------km-y0itay50------baitay-------001yySunk costs and market structureprice competition, advertising, and the evolution of concentrationJohn Sutton.Cambridge-LondonThe Mit Press1995.XIV, 578 p.23 cm338.6Sutton,John122624ITUNINARICAUNIMARCBK990006862230403321VI I 21332126FSPBCFSPBCSunk costs and market structure44320UNINAGEN01