巴罗宏观经济学：现代观点第12章.ppt

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1、GovernmentExpenditureChapter121MacroeconomicsChapter12DataonGovernmentExpenditureGovernmentexpenditureisthedollaramountspentatalllevelsofgovernmentforpurchasesofgoodsandservicestransferpayments(amountsgiventohouseholdsandbusinesses)interestpayments2MacroeconomicsCh

2、apter12DataonGovernmentExpenditure3MacroeconomicsChapter12DataonGovernmentExpenditure4MacroeconomicsChapter12DataonGovernmentExpenditure5MacroeconomicsChapter126MacroeconomicsChapter127MacroeconomicsChapter12DataonChineseGovernmentExpenditure中国（2007）美国（课本上的数据）占GDP比

3、重占财政比重占GDP比重占财政比重财政开支19.8032国防1.417.143.210教育2.8314.315.115.94社保2.9614.949.228.758MacroeconomicsChapter12TheGovernment’sBudgetConstraintGovernmentbudgetconstraint:totalusesoffunds=totalsourcesoffundsGt+Vt=Tt+(Mt−Mt−1)/Ptrealpurchases+realtransfers=realtaxes+realrev

4、enuefrommoneycreation9MacroeconomicsChapter12TheGovernment’sBudgetConstraintGtrepresentgovernmentpurchasesinrealtermsforyeart.Ct+It+Gt,istheaggregaterealspendingongoodsandservicesinyeart.Vtrepresentthegovernment’srealexpenditureontransfers.Therealvalueofthisrevenue

5、foryeartis(Mt−Mt−1)/PtTtbethetotalrealtaxescollectedbythegovernmentinyeart.10MacroeconomicsChapter12TheGovernment’sBudgetConstraintGovernmentbudgetconstraintGt+Vt=Ttrealpurchases+realtransfers=realtaxes11MacroeconomicsChapter12PublicProductionThegovernmentsubcontra

6、ctsallofitsproductiontotheprivatesector.Publicinvestment,publiclyownedcapital,andgovernmentemploymentarezero.Publicserviceshavezeroeffectonutilityandproduction.12MacroeconomicsChapter12TheHousehold’sBudgetConstraintHouseholdbudgetconstraintCt+(1/P)·∆Bt+∆Kt=(W/P)t·L

7、st+rt−1·(Bt−1/P+Kt−1)WithGovernmentCt+(1/P)·∆Bt+∆Kt=(W/P)t·Lst+rt−1·(Bt−1/P+Kt−1)+Vt−Tt13MacroeconomicsChapter12TheHousehold’sBudgetConstraintMultiyearhouseholdbudgetconstraintwithtransfersandtaxes:C1+C2/(1+r1)+···=(1+r0)·(B0/P+K0)+(w/P)1·Ls1+(w/P)2·Ls2/(1+r1)+···+

8、(V1−T1)+(V2−T2)/(1+r1)+(V3−T3)/[(1+r1)·(1+r2)]+···14MacroeconomicsChapter12PermanentChangesinGovernmentPurchasesTheoryG+V=TorV−T=−GGrisesbyoneuni