- 問題詳情:Whydoesn’ttheunemploymentrateeverreachzero?Economists,whogenerallybelievethatsupplytendstomeetdemand,havelongthoughtaboutthisquestion.Eveningoodtimes,i.e.notnow,therearepeoplewhocan’tfindwork.Andeveninbadtimes,i.e.now,therearejobopenings.Wi...
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