00270pam a2200121a 44500008004100000041000800041100001900049245003300068250000600101260001600107300001700123440000800140230405s1993    xxu||||| |||| 00| 0 eng d  aENG  aHirshleifer J.  aPrice Theory And Application  a1  abPHIc1993  a507 p, 25 CM  a120