00349nam a2200121Ia 4500020001500000082002500015100004000040245003600080260004600116300002700162500000500189700003300194  a0674550269  a338.820151bSh562.MS  aShubik, Martin and Levitan, Richard  aMarket structure and behaviorb  aCambridgebHarvard University Pressc1980  axi, 252p. Index, Bibl.  a  aLevitan, Richard ; jt. auth.