000 00443nam a2200157 4500
001 8581
003 UR
005 20220428113542.0
008 061102|||||||||||||||||||||||||||||||| d
035 _a(janium) 8570
035 _a(janium)8570
050 4 _aHD2326
_b.S88 1991
100 1 _aSutton, John
245 1 0 _aSunk cost and market structure
_b : price competition advertising and the evolution of concentration
260 _bThe Mit press
_c1991
999 _c39261
_d39261