00334    a2200109   4500001001000000005001700010008004100027245004900068100001700117773007300134999001700207ART_1755220260410161923.0260409a                                 10aMultiproduct technology and market structure1 aWillig, R.D.0 tThe American Economic Reviewg- Vol. 69, Nº 2 (mayo 1979)wREV16190  c27916d27916