00513nam a2200145Ia 4500008004100000010001200041040001700053082002500070110005200095245007800147260004800225300001300273440003800286650004300324190328s9999||||xx |||||||||||||| ||und||  a55-5006  aNITILcNITIL  221sta338.522bN277B  aNational Bureau of Economic Research (New York) 0aBusiness concentration and price policyba conference of the Universities  aPrincetonbPrinceton University Pressc1955  ax, 514p.  aNBER Special conference series; 5  aBusiness; Pricing; Economics; Taxation