00757pam a2200253 i 45000010005000000030003000050050017000080080041000250200015000660200022000810350018001030350017001210400016001380410013001540500022001671000017001892450086002062600074002923000022003665000019003885040035004076500030004427000031004724068UR20220427201354.0910423s1991    enk      b      1   eng d  a0521335264  a0521335523 (pbk.)  a(janium) 4057  a(janium)4057  aURCABCbspa0 aspaheng 4aHD2756b.B43 19911 aBeath, John.10aThe economic theory of product differentiation /cJohn Beath, Yannis Katsoulacos.  aCambridge [England] ;aNew York bCambridge University Press cc1991.  aix, 200 p. bill.  aIncluye indice  aIncluye bibliografia (194 199)14aVariacion en la industria1 aKatsoulacos, Y. S.,d1953-