UnemploymentandItsNaturalRate失业与自然失业率Chapter28Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.CategoriesofUnemployment失业的分类Theproblemofunemploymentisusuallydividedintotwocategories.失业问题通常分为两类。Thelong-runproblemandtheshort-runproblem:长期问题与短期问题:Thenaturalrateofunemployment自然失业率Thecyclicalrateofunemployment周期性失业率Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.NaturalRateofUnemployment自然失业率Thenaturalrateofunemploymentisunemploymentthatdoesnotgoawayonitsowneveninthelongrun.自然失业率是在长期中不会自行消失的失业率。Itistheamountofunemploymentthattheeconomynormallyexperiences.它是经济中正常情况下存在的失业量。Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.CyclicalUnemployment周期性失业率Cyclicalunemploymentreferstotheyear-to-yearfluctuationsinunemploymentarounditsnaturalrate.周期性失业率是指失业量围绕其自然失业率的逐年波动。Itisassociatedwithwithshort-termupsanddownsofthebusinesscycle.它与经济活动的短期上升和下降密切相关。Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.HowisUnemploymentMeasured?如何衡量失业?UnemploymentismeasuredbytheBureauofLaborStatistics(BLS).衡量失业是劳工统计局的工作。Itsurveys60,000randomlyselectedhouseholdseverymonth.它每月调查6万个随机挑选的家庭。ThesurveyiscalledtheCurrentPopulationSurvey.这种调查被称为现期人口调查。Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.HowisUnemploymentMeasured?如何衡量失业?Basedontheanswerstothesurveyquestions,theBLSplaceseachadultintooneofthreecategories:根据对调查的回答,劳工统计局把每个受调查家庭中的每个成员(16岁以上)划入三类中的一类里:Employed就业者Unemployed失业者Notinthelaborforce非劳动力人口Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.HowisUnemploymentMeasured?如何衡量失业?TheBLSconsidersapersonanadultifheorsheisover16yearsold.劳工统计局把16岁或16岁以上的人看为成年人。Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.HowisUnemploymentMeasured?如何衡量失业?Apersonisconsideredemployedifheorshehasspentmostofthepreviousweekworkingatapaidjob.如果一个人前一周的大部分时间用于有酬工作,这个人就被当作就业者。Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.HowisUnemploymentMeasured?如何衡量失业?Apersonisunemployedifheorsheisontemporarylayoff,islookingforajob,oriswaitingforthestartdateofanewjob.如果一个人暂时被解雇,正在寻找工作或等待新工作开始的日子,这个人就是失业者。Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.HowisUnemploymentMeasured?如何衡量失业?Apersonwhofitsneitherofthesecategories,suchasafull-timestudent,homemaker,orretiree,isnotinthelaborforce.如果一个人不属于前两类中的任何一类,这个人就是非劳动力人口,例如全日制学生、家务劳动者或退休者。Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.HowIsUnemploymentMeasured?LaborForceThelaborforceisthetotalnumberofworkers,includingboththeemployedandtheunemployed.TheBLSdefinesthelaborforceasthesumoftheemployedandtheunemployed.Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.如何衡量失业?劳动力劳动力——既包括就业者又包括失业者的工人总量。劳工统计局把劳动力定义为就业者与失业者之和。Harcourt,Inc.itemsandderiveditemscopyright©2001byHarcourt,Inc.Unemployed(6.7million)Figure1TheBreakdownofthePopulationin2001NotinlaborNo...