00629 2200145 4500245003400000020001800034700002200052650002800074005001900102260003700121041001200158084000800170300002200178500028300200 aEconomics Sixth EditionhText a0-06-043969-1 aLipsey Richard, G aEconomics Sixth Edition a20210403124119 aNew YorkbHarper & Row,Publisher aEnglish a330 a958 hlm. :c23 cm aEconomics is always is always changing, but in the years since Word War II there has been a change of such importance that we do ourselves and or student a great disservice if we neglect it. During this perieod economics has moved very rapidly toward becoming a genuine science.