00870nam0 22003011i 450 990007354350403321200210100-444-70434-5000735435FED01000735435(Aleph)000735435FED0100073543520021010d--------km-y0itay50------baitaHandbook of industrial Organizationedited by Richard,Schmalensee and Robert.Willig . Vol.INorth hollandElsevier1998947 pp. 32 cmHansbook in economicsSchmalensee,Richard<1944- >Willig,Robert D.ITUNINARICAUNIMARCBK990007354350403321XV H2 161156XV H2 161DTEHandbook of industrial organization59831UNINAGEN01