1002-ch15曼昆-宏观经济学.ppt

UnemploymentEconomicsPRINCIPLESOFN.GregoryMankiwPremiumPowerPointSlides

byRonCronovich15

Inthischapter,

lookfortheanswerstothesequestions:Howisunemploymentmeasured?Whatisthe“naturalrateofunemployment”?Whyaretherealwayssomepeopleunemployed?Howisunemploymentaffectedbyunionsandminimumwagelaws?Whatisthetheoryofefficiencywages,andhowdoesithelpexplainunemployment?11ECON1002C/D(2011)Chapter15:UNEMPLOYMENT

(1)LaborForceStatistics02ECON1002C/D(2011)Chapter15:UNEMPLOYMENT

LaborForceStatisticsUSA:ProducedbyBureauofLaborStatistics(BLS),intheU.S.Dept.ofLaborBasedonregularsurvey(CurrentPopulationSurvey)of60,000householdsBasedon“adultpopulation”(16yrsorolder)/CPS/03ECON1002C/D(2011)Chapter15:UNEMPLOYMENT

LaborForceStatisticsBLSdividespopulationinto3groups:Employed:paidemployees,self-employed,

andunpaidworkersinafamilybusinessUnemployed:peoplenotworkingwhohavelookedforworkduringprevious4weeksNotinthelaborforce:everyoneelseThelaborforceisthetotal#ofworkers,includingtheemployedandunemployed.04ECON1002C/D(2011)Chapter15:UNEMPLOYMENT

laborforceparticipationratelaborforceadultpopulation=100xLaborForceStatisticsLaborforceparticipationrate:

%oftheadultpopulationthatisinthelaborforceUnemploymentrate(“u-rate”):

%ofthelaborforcethatisunemployedu-rate#ofunemployedlaborforce=100x05ECON1002C/D(2011)Chapter15:UNEMPLOYMENT

ACTIVELEARNING1

Calculatelaborforcestatistics6Computethelaborforce,u-rate,adultpopulation,andlaborforceparticipationrateusingthisdata:AdultpopulationoftheU.S.

bygroup,June2008#ofemployed 145.9million#ofunemployed 8.5millionnotinlaborforce 79.2million6ECON1002C/D(2011)Chapter15:UNEMPLOYMENT

Laborforce =employed+unemployed

=145.9+8.5

=154.4millionU-rate =100x(unemployed)