optimal fiscal policy rule for achieving fiscal sustainability: a japanese case study

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  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

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    MNHD R`rkdgb Qmpcr Zcrdcs

    @ptdomi Ldsjmi Q`idjy Xuic l`r Mjfdcvdgb Ldsjmi Zustmdgmhdidty5

    M Empmgcsc Jmsc Ztuny

    Gm`yukd T`sfdg`, ^ctsur` Odz`bujfd,mgn Lmrfmn ̂ mbfdzmncf-Fcsmry

    G`. 3:=Eugc 81=3 

    Msdmg Ncvci`pocgt Hmgk Dgstdtutc

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

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    ^fc R`rkdgb Qmpcr scrdcs ds m j`gtdgumtd`g `l tfc l`rocriy gmocn Ndsjussd`g Qmpcr scrdcs;tfc guohcrdgb `l tfc pmpcrs j`gtdgucn wdtf`ut dgtcrruptd`g `r jfmgbc. MNHD—s w`rkdgbpmpcrs rclicjt dgdtdmi dncms `g m t`pdj mgn mrc p`stcn `gidgc l`r ndsjussd`g. MNHD cgj`urmbcsrcmncrs t` p`st tfcdr j`oocgts `g tfc omdg pmbc l`r cmjf w`rkdgb pmpcr (bdvcg dg tfcjdtmtd`g hci`w). Z`oc w`rkdgb pmpcrs omy ncvci`p dgt` `tfcr l`ros `l puhidjmtd`g.

    Zubbcstcn jdtmtd`g5

    T`sfdg`, G., ^. Odz`bujfd, mgn L. ^mbfdzmncf-Fcsmry. 81=3. @ptdomi Ldsjmi Q`idjy Xuic l`r Mjfdcvdgb Ldsjmi Zustmdgmhdidty5 M Empmgcsc Jmsc Ztuny. MNHD R`rkdgb Qmpcr 3:=. ^`ky 5̀ Msdmg Ncvci`pocgt Hmgk Dgstdtutc. Mvmdimhic5 fttp5//www.mnh.`rb/puhidjmtd`gs/`ptdomi-ldsjmi-p`idjy-ruic-mjfdcvdgb-ldsjmi-sustmdgmhdidty-empmgcsc-jmsc-stuny/

    Qicmsc j`gtmjt tfc mutf`rs l`r dgl`romtd`g mh`ut tfds pmpcr.

    Comdi5 gy`sfdg`Amnhd.`rb, todz`Arcdtmku-u.mj.ep, lmrfmntfAbomdi.j`o

    Gm`yukd T`sfdg` ds Ncmg mgn JC@ `l tfc Msdmg Ncvci`pocgt Hmgk Dgstdtutc.

    ^ctsur` Odz`bujfd ds Mss`jdmtc Qr`lcss`r `l Cj`g`odjs mt Xcdtmku Sgdvcrsdty, Jfdhm,Empmg.

    Lmrfmn ^mbfdzmncf-Fcsmry ds Mssdstmgt Qr`lcss`r `l Cj`g`odjs mt Kcd` Sgdvcrsdty,^`ky`. Jurrcgtiy, fc ds mis` m rcscmrjf mssdstmgt t` tfc Ncmg `l tfc Msdmg Ncvci`pocgtHmgk Dgstdtutc mgn ds m vdsdtdgb sjf`imr mt tfc Jrcndt Xdsk Nmtmhmsc (JXN) Mss`jdmtd`g `lEmpmg.

    ^fc vdcws cxprcsscn dg tfds pmpcr mrc tfc vdcws `l tfc mutf`rs mgn n` g`t gcjcssmrdiyrclicjt tfc vdcws `r p`idjdcs `l MNHD, MNH, dts H`mrn `l Ndrcjt`rs, `r tfc b`vcrgocgtstfcy rcprcscgt. MNHD n`cs g`t bumrmgtcc tfc mjjurmjy `l tfc nmtm dgjiuncn dg tfds pmpcrmgn mjjcpts g` rcsp`gsdhdidty l`r mgy j`gscqucgjcs `l tfcdr usc. ^crodg`i`by uscn omyg`t gcjcssmrdiy hc j`gsdstcgt wdtf MNH `lldjdmi tcros.

    R`rkdgb pmpcrs mrc suhecjt t` l`romi rcvdsd`g mgn j`rrcjtd`g hcl`rc tfcy mrc ldgmidzcnmgn j`gsdncrcn puhidsfcn.

     Msdmg Ncvci`pocgt Hmgk DgstdtutcKmsuodbmsckd Hudindgb 6L

    :-8-3 Kmsuodbmsckd, Jfdy`nm-ku^`ky` =11-

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     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    Mhstrmjt

    Empmg—s ncht-t`-br`ss n`ocstdj pr`nujt (BNQ) rmtd` ds tfc fdbfcst mo`gb @rbmgdsmtd`g l`rCj`g`odj J`-`pcrmtd`g mgn Ncvci`pocgt (@CJN) j`ugtrdcs. ^fds pmpcr wdii ldrstiy mgswcr

    tfc qucstd`g `l wfctfcr Empmgcsc b`vcrgocgt ncht ds sustmdgmhic. Gcxt, wfdic tfc N`omrj`gndtd`g mgn H`fg—s j`gndtd`g mrc `ltcg uscn dg tfc idtcrmturc t` jfcjk wfctfcr mb`vcrgocgt—s ncht sdtumtd`g ds dg m nmgbcr`us z`gc, tfds pmpcr wdii sf`w tfmt tfc N`omrj`gndtd`g ds `htmdgcn `giy lr`o tfc b`vcrgocgt hunbct j`gstrmdgt (gmociy tfc suppiy `lb`vcrgocgt h`gns) mgn n`cs g`t tmkc dgt` mjj`ugt tfc ncomgn l`r b`vcrgocgt h`gns. Msdopic j`opmrds`g `l tfc dgtcrcst rmtc mgn tfc br`wtf rmtc `l mg cj`g`oy usdgb tfc N`omrj`gndtd`g ds g`t mncqumtc t` jfcjk tfc stmhdidty `l m b`vcrgocgt—s hunbct ncldjdt. H`tf tfcdgtcrcst rmtc mgn tfc br`wtf rmtc `l tfc cj`g`oy mrc nctcrodgcn cgn`bcg`usiy dg tfc o`nci.^fdrniy, tfds pmpcr sf`ws tfmt H`fg—s j`gndtd`g smtdsldcs tfc stmhdidty `l tfc b`vcrgocgthunbct dg tfc i`gb rug hy dop`sdgb j`gstrmdgts `g tfc prdomry hmimgjc. F`wcvcr, H`fg—sj`gndtd`g n`cs g`t mjfdcvc cj`g`odj stmhdidty„cvcg dl tfc j`gndtd`g ds smtdsldcn, tfc rcj`vcry`l tfc cj`g`oy omy g`t hc mjfdcvcn. ^fds pmpcr wdii pr`p`sc m gcw j`gndtd`g tfmt smtdsldcs

    h`tf tfc stmhdidty `l tfc b`vcrgocgt hunbct mgn tfc rcj`vcry `l tfc cj`g`oy. ^fc pmpcr wdiisfcn idbft `g tfcsc dssucs h`tf tfc`rctdjmiiy mgn copdrdjmiiy. ^fc copdrdjmi ldgndgbs ncjimrctfmt dg `rncr t` mjfdcvc ldsjmi sustmdgmhdidty hmscn `g tfc `ptdomi ldsjmi p`idjy ruic pr`vdncn dgtfds pmpcr, h`tf sdncs `l tfc Empmgcsc b`vcrgocgt hunbct (cxpcgndturc mgn rcvcguc) gccnt` hc mneustcn sdouitmgc`usiy. O`rc`vcr, tfc rcsuits sf`w tfmt tfc ncjrcmsc dg b`vcrgocgtcxpcgndturc fms t` hc t` o`rc tfmg tfc dgjrcmsc dg tmx rcvcguc.

    ECI Jimssdldjmtd`g5 C>8, C

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    4/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    J`gtcgts

    =.  Dgtr`nujtd`g mgn mg @vcrvdcw `l tfc Empmgcsc H`gn Omrkct ..................................... : 

    8.  Xcimtcn Idtcrmturc ...................................................................................................... 2 

    :.  ^fc Xcvdscn N`omr J`gndtd`g mgn H`fg—s J`gndtd`g J`ohdgdgcn wdtf tfc H`gnOmrkct ....................................................................................................................... 6 

    >.  Omtfcomtdjmi O`nci ................................................................................................... 4 

    >.=  Xcvdscn N`omr J`gndtd`g J`ohdgcn wdtf tfc H`gn Omrkct ......................... =1 

    3.  Ldsjmi Q`idjy Xuic mgn ^mx Xuic t` Mjfdcvc Zustmdgmhdidty `l tfc Hunbct ................. == 

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

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     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    =. DG^X@NSJ^D@G MGN MG @\CX\DCR @L ^FCEMQMGCZC H@GN OMXKC^

    Empmg—s ncht-t`-br`ss n`ocstdj pr`nujt (BNQ) rmtd` ds tfc fdbfcst mo`gb @rbmgdsmtd`gl`r Cj`g`odj J`-`pcrmtd`g mgn Ncvci`pocgt (@CJN) j`ugtrdcs, mt o`rc tfmg 881%(Ldburc =). ^fc dgtcrcstdgb p`dgt ds tfmt Empmg—s ncht ds stdii sustmdgmhic, wfdic tfcs`utfcrg Cur`pcmg j`ugtrdcs Brccjc mgn Jyprus wcgt hmgkrupt nuc t` fmvdgbb`vcrgocgt ncldjdts tfmt wcrc fdbf, mitf`ubf tfcdr ncht-t`-BNQ rmtd`s wcrc i`wcrj`opmrcn t` Empmg—s.

    Ldburc = diiustrmtcs tfc bcgcrmi b`vcrgocgt br`ss ldgmgjdmi idmhdidtdcs ms m pcrjcgtmbc `lBNQ l`r scicjtcn @CJN j`ugtrdcs. Dt ds jicmr tfmt tfc rmtd` l`r Empmg ds tfc fdbfcst, mt884.. Mltcr Empmg, Brccjc mgn Dtmiy fmvc tfc scj`gn mgn tfdrn fdbfcst icvcismt =66.2% mgn =>2.8%, rcspcjtdvciy. ^fc mvcrmbc br`ss ncht-t`-BNQ rmtd` l`r mii@CJN j`ugtrdcs ds ===.=%. Cst`gdm fms tfc i`wcst rmtd` mo`gb @CJN j`ugtrdcs, mt

    =:%.Ldburc =5 Br`ss Ncht/Br`ss N`ocstdj Qr`nujt dg Zcicjtcn @CJN J`ugtrdcs, 81=>

    @CJN ? @rbmgdsmtd`g l`r Cj`g`odj J`-`pcrmtd`g mgn Ncvci`pocgt.

    G`tc5 Bcgcrmi b`vcrgocgt br`ss ldgmgjdmi idmhdidtdcs ms m pcrjcgtmbc ̀ l BNQ.

    Z`urjc5 @CJN Cj`g`odj @uti``k G`. 43 nmtmhmsc (81=>).

     Mjjuouimtcn b`vcrgocgt ncht dg Empmg g`w mo`ugts t` o`rc tfmg 881% `l BNQ mgndt wdii hc ndlldjuit t` dssuc lurtfcr h`gns ugicss tfc Hmgk `l Empmg purjfmscs Empmgcscb`vcrgocgt h`gns (EBHs). Ncspdtc dts fubc hunbct ncldjdt, tfc Empmgcsc cj`g`oy jmgsustmdg tfc stmhdidty `l tfc h`gn omrkct. Omgy Cur`pcmgs msk wfy Empmg ds stdii stmhicwfdic Brccjc mgn `tfcr Cur`pcmg j`ugtrdcs mrc dg scrd`us tr`uhic.

    ^fc ndllcrcgjcs hctwccg Empmg mgn Brccjc jmg hc l`ugn dg tfc ncomgn l`rb`vcrgocgt ncht, rmtfcr tfmg tfc suppiy `l b`vcrgocgt ncht. O`rc tfmg 41% `l tfcB`vcrgocgt `l Empmg—s ncht ds fcin hy n`ocstdj dgvcst`rs dg hmgks, p`stmi smvdgbs, idlcdgsurmgjc, mgn pcgsd`g lugns. ^fc Empmgcsc b`vcrgocgt dssucs vmrd`us kdgns `l

    h`gns hmscn `g ncomgn hy ndllcrdgb scjt`rs, mgn tfc b`vcrgocgt h`gn omrkct fms

    884.<

    =66.2

    =>2.8

    ===.=

    :3.8 :=.<

    =:.1

    1.1

    31.1

    =11.1

    =31.1

    811.1

    831.1

    %

    :

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     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    hccg qudtc stmhic dg Empmg. Empmgcsc dgvcst`rs j`gtdguc t` f`in b`vcrgocgt h`gns,sdgjc Hmsci jmpdtmi rcqudrcocgts sct tfc rdsk `l b`vcrgocgt h`gns mt zcr`. @g tfc `tfcrfmgn, o`rc tfmg 21% `l dgvcst`rs dg Brccjc—s h`gn omrkct mrc l`rcdbg mgn tfcy fmvchccg qudjk t` o`vc `ut `l tfc omrkct mt tdocs `l rdsk.

    Ldburc 8 ncpdjts tfc suppiy `l b`vcrgocgt h`gns mgn tfc ncomgn l`r b`vcrgocgt nchtdg Empmg mgn Brccjc. ^fc vcrtdjmi idgc sf`ws tfc suppiy `l b`vcrgocgt h`gns dg tfcprdomry omrkct, sdgjc g` omttcr wfmt tfc rmtc `l dgtcrcst, tfc b`vcrgocgt fms t`ldgmgjc dts hunbct ncldjdts. ^fc ncomgn l`r b`vcrgocgt h`gns dgjrcmscs wfcg tfcdgtcrcst rmtc rdscs. ^fus tfc ncomgn jurvc l`r b`vcrgocgt h`gns ds upwmrn si`pdgb dgtfc ldburc. 

    Ldburc 85 B`vcrgocgt H`gn Omrkcts `l Empmg mgn Brccjc

    Z`urjc5 T`sfdg` mgn ^mbfdzmncf-Fcsmry (81=>m).

    H`tf Empmg mgn Brccjc fmvc dgjrcmscn tfcdr smics `l b`vcrgocgt h`gns, ocmgdgb tfmttfc suppiy jurvc `l b`vcrgocgt h`gns fms sfdltcn t` tfc rdbft dg tfc prdomry omrkct.^fc ncomgn l`r Empmgcsc b`vcrgocgt h`gns hy hmgks, dgsurmgjc j`opmgdcs, mgnpcgsd`g lugns fms hccg dgjrcmsdgb ms tfc siubbdsf cj`g`oy fms rcnujcn ncomgn l`rj`rp`rmtc i`mgs (Ldburc 8). O`gctmry cmsdgb fms dgjrcmscn hmgk ncp`sdts mgn tfcsclugns fmvc `ltcg hccg dgvcstcn dg b`vcrgocgt h`gns. Empmgcsc dgtcrcst rmtcs,tfcrcl`rc, rcomdg i`w.

    ^fc hcfmvd`r `l f`incrs `l Empmgcsc mgn Brcck ncht ds ndstdgjtdvc (^mhic =). @vcrscmsdgvcst`rs, wf` f`in 21% `l b`vcrgocgt h`gns dg Brccjc, mrc qudjk t` scii tfco dl tfcylcci tfmt rdsk ds dgjrcmsdgb. Ms ncomgn l`r Brcck h`gns fms ndodgdsfcn, tfc ncomgnjurvc `l tfc h`gns fms sfdltcn t` tfc iclt (scc Ldburc 8, rdbft-fmgn brmpf), wfdjf fmspr`brcssdvciy rmdscn tfc dgtcrcst rmtc `g Brcck h`gns. ^fc Brcck dgtcrcst rmtcdgjrcmscn t` o`rc tfmg 81%, wfdic tfc Empmgcsc dgtcrcst rmtc fms rcomdgcn mt mh`ut=% `r icss (ms sf`wg dg tfc n`wgwmrn si`ppdgb nmsfcn idgc `l Ldburc :). Zdgjc `giy3% `l tfc t`tmi h`gns dssucn hy tfc Empmgcsc b`vcrgocgt mrc fcin hy `vcrscmsdgvcst`rs, tfcrc ds oujf icss idkcidf``n `l jmpdtmi lidbft, sdgjc n`ocstdj f`incrs tcgn t`rctmdg tfcdr dgvcstocgts (T`sfdg` mgn Odz`bujfd 81=:h).

    >

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

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     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    ^mhic =5 F`incrs `l Empmgcsc mgn Brcck B`vcrgocgt H`gns, 81==

    F`incrs `lEmpmgcsc B`vcrgocgt H`gns

    % `l ^`tmi F`incrs `lBrcck B`vcrgocgt H`gns

    % `l ^`tmi

    Hmgk mgn p`stmi smvdgbs >3 @vcrscms dgvcst`rs ::Idlc mgn g`g-idlc dgsurmgjc 81 N`ocstdj dgvcst`rs 8=

    Quhidj pcgsd`g lugns =1 Cur`pcmg Jcgtrmi Hmgk =6

    Qrdvmtc pcgsd`g lugns > Hdimtcrmi i`mgs =>

    Hmgk `l Empmg 6 Z`jdmi pcgsd`g lugns <

    @vcrscms dgvcst`rs 3 Dgtcrgmtd`gmi O`gctmry Lugn 3

    F`uscf`ins 3 Brcck n`ocstdj lugns :

    @tfcrs :

    G`tc5 Dg Brccjc, 21% `l ncht ds fcin hy `vcrscms dgvcst`rs, j`opmrcn wdtf 3% l`r Empmg.

    Z`urjc5 T`sfdg` mgn ^mbfdzmncf-Fcsmry (81=>h).

    Ldburc :5 Dgtcrcst Xmtc mgn B`vcrgocgt H`gns @utstmgndgb

    G`tc5 ^fc rdbft-fmgn sjmic sf`ws `utstmgndgb b`vcrgocgt h`gns mgn `tfcr b`vcrgocgt h`rr`wdgbs. ^fc

    mggumi nmtm wms j`gvcrtcn t` mggumi nmtm mgn cxp`gcgtdmiiy so``tfcn. ^fc dgtcrcst rmtc ds tfc =1 ycmr-ydcin`l tfc Empmgcsc b`vcrgocgt h`gns.

    Z`urjc5 GDKKCD GCCNZ nmtmhmsc.

    Empmg fms mjfdcvcn tfc fdbfcst idlc cxpcjtmgjy dg tfc w`rin mgn tfc Empmgcsccj`g`oy ds lmjdgb mg mbdgb p`puimtd`g. Hcjmusc `l tfc mbdgb p`puimtd`g, s`jdmi wcilmrcj`sts fmvc stmrtcn t` dgjrcmsc mgn jurrcgtiy `gc-tfdrn `l b`vcrgocgt spcgndgb dsmii`jmtcn t` s`jdmi wcilmrc, wfdic tfc b`vcrgocgt hunbct ncldjdt ds rdsdgb cvcry ycmr. Dgtfc bcgcrmi mjj`ugt hunbct l`r 81=3, s`jdmi scjurdty mjj`ugts l`r :8.2% `l tfc t`tmihunbct. ^fds ds tfc ome`r rcms`g l`r tfc dgjrcmsc dg tfc mo`ugt `l `utstmgndgbb`vcrgocgt h`gns ms sf`wg dg Ldburc :. ^fc scj`gn rcms`g l`r tfds j`gtdgu`us hunbctncldjdcgt ds tfc fdbf pmyocgts lr`o tfc jcgtrmi b`vcrgocgt t` i`jmi b`vcrgocgts. Mr`ugn =

    >.3

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    6

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    =8

       %   p

      c  r  m  g  g  u  o 

       O   d   i   i   d  `  g  s

    @utstmgndgb B`vcrgcocgt H`gn (XFZ) Dgtcrcst rmtc (IFZ)

    3

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    8/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    s`jdmi scjurdty. Omgy i`jmi b`vcrgocgts rciy `g jcgtrmi b`vcrgocgt trmgslcrs wdtf`utomkdgb cll`rts tfcoscivcs t` rcvdtmidzc tfcdr rcbd`gmi cj`g`odcs (T`sfdg` mgn^mbfdzmncf-Fcsmry, l`rtfj`odgb 81= sf`ws tfc b`vcrgocgt h`gn dgtcrcst rmtcs `l scicjtcn @CJN j`ugtrdcs. ^fc

    Brcck b`vcrgocgt h`gn dgtcrcst rmtc dgjrcmscn sunncgiy wfcg tfc j`ugtry—s hunbctncldjdt wms dg m scrd`us j`gndtd`g mgn j`uin g`t hc rcnccocn hy tmx pmycrs— o`gcy.L`rcdbg dgvcst`rs mskcn l`r m rdsk prcoduo l`r Brcck b`vcrgocgt h`gns mgn l`rcdbgdgvcst`rs stmrtcn t` scii Brcck h`gns, wfdjf dgjrcmscn tfc dgtcrcst rmtc cvcg lurtfcr. Dgj`gtrmst, tfc h`tt`o idgc dg tfc ldburc sf`ws tfc Empmgcsc b`vcrgocgt h`gn dgtcrcstrmtc, wfdjf ds tfc i`wcst mo`gb tfc scicjtcn @CJN j`ugtrdcs l`r tfc rcms`gs cxpimdgcndg Ldburc 8.

    Empmg—s ncomgn l`r b`vcrgocgt h`gns ds dgjrcmsdgb mgn tfc ncomgn jurvc l`rb`vcrgocgt h`gns ds sfdltdgb t` tfc rdbft, sdgjc hmgks, dgsurmgjc j`opmgdcs, mgnpcgsd`g lugns, ctj. mrc i``kdgb t` cgj`urmbc dgvcstocgt. Hmgks fmvc j`gtdgucn t`rcjcdvc ncp`sdts mgn mrc i``kdgb l`r dgvcstocgt dg b`vcrgocgt h`gns. Dgsurmgjc mgn

    puhidj pcgsd`g lugns dg Empmg mrc dgjidgcn t` dgvcst dg b`vcrgocgt h`gns, ms tfcy mrcrcbmrncn ms smlc msscts. ^fcrcl`rc, tfc ncomgn l`r b`vcrgocgt h`gns fms hccgdgjrcmsdgb, s` tfc ncomgn jurvc l`r b`vcrgocgt h`gns fms hccg dgjrcmsdgb mgn fmskcpt tfc Empmgcsc dgtcrcst rmtc i`w. 

    Ldburc >5 Dgtcrcst Xmtcs dg Zcicjtcn @CJN j`ugtrdcs

    @CJN ? @rbmgdsmtd`g l`r Cj`g`odj J`-`pcrmtd`g mgn Ncvci`pocgt.G`tc5 ^fc rmtc ds tfc =1-ycmr b`vcrgocgt h`gn dgtcrcst rmtc. Bcgcrmiiy, tfc ydcin ds jmijuimtcn mt tfc prc-tmxicvci hcl`rc ncnujtd`gs l`r hr`kcrmbc j`sts mgn j`oodssd`gs, mgn ds ncrdvcn lr`o tfc rcimtd`gsfdp hctwccgtfc prcscgt omrkct vmiuc `l tfc h`gn mgn tfc vmiuc mt omturdty, tmkdgb dgt` mjj`ugt dgtcrcst pmyocgts pmdntfr`ubf t` omturdty.

    O`gtfiy ldburcs sf`wg mrc jmijuimtcn ms tfc mvcrmbc ̀ l wcdbftcn ̀ r ug-wcdbftcn mrdtfoctdj rmtcs rcimtdgb t` miinmys `r spcjdldcn nmys dg tfc o`gtf `r t` m nmy mt `r gcmr tfc o`gtf—s cgn. L`r sf`rt- mgn i`gb-tcro dgtcrcstrmtcs, mggumi mgn qumrtcriy nmtm mrc tfc mvcrmbcs `l tfc o`gtfiy ldburcs, wfdic l`r ’`vcrgdbft‟ rmtcs, mggumimgn qumrtcriy nmtm usumiiy rclcr t` tfc ldburc l`r tfc ldgmi o`gtf `l tfc pcrd`n.

    Z`urjc5 O`gtfiy O`gctmry mgn Ldgmgjdmi Ztmtdstdjs (OCD), @CJN stmtdstdjs, rcicmscn 3 Omy 81=3.

    Xcbmrndgb tfc b`vcrgocgt h`gn omrkcts, tfc N`omr j`gndtd`g mgn H`fg—s j`gndtd`gmrc `ltcg uscn dg tfc idtcrmturc t` jfcjk wfctfcr tfc cj`g`oy ds dg m nmgbcr`us z`gc `rg`t. N`omr subbcsts tfmt mg cj`g`oy sf`uin omkc dts dgtcrcst rmtc i`wcr tfmg tfc

    1

    3

    =1

    =3

    81

    83

    :1

    :3

       E  m  g  -   8   1   1   1

       E  u   i  -   8   1   1   1

       E  m  g  -   8   1   1   =

       E  u   i  -   8   1   1   =

       E  m  g  -   8   1   1   8

       E  u   i  -   8   1   1   8

       E  m  g  -   8   1   1   :

       E  u   i  -   8   1   1   :

       E  m  g  -   8   1   1   >

       E  u   i  -   8   1   1   >

       E  m  g  -   8   1   1   3

       E  u   i  -   8   1   1   3

       E  m  g  -   8   1   1   <

       E  u   i  -   8   1   1   <

       E  m  g  -   8   1   1   2

       E  u   i  -   8   1   1   2

       E  m  g  -   8   1   1   6

       E  u   i  -   8   1   1   6

       E  m  g  -   8   1   1   4

       E  u   i  -   8   1   1   4

       E  m  g  -   8   1   =   1

       E  u   i  -   8   1   =   1

       E  m  g  -   8   1   =   =

       E  u   i  -   8   1   =   =

        E  m  g  -   8   1   =   8

        E  u   i  -   8   1   =   8

        E  m  g  -   8   1   =   :

        E  u   i  -   8   1   =   :

        E  m  g  -   8   1   =   >

        E  u   i  -   8   1   =   >

       %   p

      c  r  m  g  g

      u  o 

    Lrmgjc

    Bcromgy

    Brccjc

    Dtmiy

    Empmg

    Q`rtubmi

    Zpmdg

    SgdtcnKdgbn`o

    Sgdtcn Ztmtcs

    Brccjc

    Empmg

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    9/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    br`wtf rmtc `l tfc cj`g`oy. H`fg pr`p`scs tfmt m prdomry hmimgjc fms t` hcomdgtmdgcn s` tfmt tfc ncht-t`-BNQ rmtd` n`cs g`t ndvcrbc lr`o dts `rdbdgmi icvci.

    ^fc purp`sc `l tfds pmpcr ds tw`l`in. ^fc ldrst p`dgt wc wdii mrbuc ds tfmt tfc N`omrj`gndtd`g ds `htmdgcn `giy lr`o tfc b`vcrgocgt hunbct j`gstrmdgt (gmociy tfc suppiy `l

    b`vcrgocgt h`gns) mgn n`cs g`t tmkc dgt` mjj`ugt tfc ncomgn l`r b`vcrgocgt h`gns. M sdopic j`opmrds`g `l tfc dgtcrcst rmtc mgn tfc br`wtf rmtc `l tfc cj`g`oy ds g`tmncqumtc t` jfcjk tfc stmhdidty `l tfc b`vcrgocgt hunbct ncldjdt ms h`tf tfc dgtcrcstrmtc mgn tfc br`wtf rmtc `l tfc cj`g`oy mrc nctcrodgcn cgn`bcg`usiy dg tfc o`nci.

    ^fc scj`gn p`dgt ds tfmt H`fg—s j`gndtd`g smtdsldcs tfc stmhdidty `l tfc b`vcrgocgthunbct dg tfc i`gb rug hy dop`sdgb j`gstrmdgts l`r tfc prdomry hmimgjc. F`wcvcr, dtn`cs g`t mjfdcvc cj`g`odj stmhdidty. Cvcg dl H`fg—s j`gndtd`g ds smtdsldcn, tfc rcj`vcry`l tfc cj`g`oy omy g`t hc mjfdcvcn. ^fds pmpcr wdii pr`p`sc m gcw j`gndtd`g tfmt jmgsmtdsly h`tf tfc stmhdidty `l tfc b`vcrgocgt hunbct mgn tfc rcj`vcry `l tfc cj`g`oy.

    ^fc pmpcr ds `rbmgdzcn ms l`ii`ws. Zcjtd`g 8 pr`vdncs tfc rcimtcn idtcrmturc. Zcjtd`g :sf`ws ldrstiy m rcvdsd`g `l tfc N`omr j`gndtd`g hy dgjiundgb h`tf tfc suppiy mgn

    ncomgn l`r b`vcrgocgt h`gns dg tfc o`nci. Zcj`gniy, dt sf`ws tfmt H`fg—s j`gndtd`gmnnrcsscs `giy tfc stmhdidty `l tfc b`vcrgocgt hunbct j`gstrmdgt mgn tfmt tfc rcj`vcry`l tfc cj`g`oy odbft g`t mjfdcvcn hy sdopiy mppiydgb H`fg—s ruic. ^fc gcw j`gndtd`gsl`r tfc stmhdidty `l tfc b`vcrgocgt hunbct ncldjdt mgn tfc rcj`vcry `l tfc cj`g`oy mrcpr`vdncn dg tfds scjtd`g. Zcjtd`g > pr`vdncs tfc omtfcomtdjmi o`nci l`r tfc gcw ldsjmip`idjy ruic, wfdjf smtdsldcs h`tf tfc stmhdidty `l tfc b`vcrgocgt hunbct mgn tfc rcj`vcry`l tfc cj`g`oy. Zcjtd`g 3 pr`vdncs tfc copdrdjmi survcy `l tfc pr`p`scn ldsjmi p`idjyruic l`r Empmg. Zcjtd`g < j`gtmdgs tfc j`gjiundgb rcomrks.

    8. XCIM^CN ID^CXM^SXC

    ^fcrc ds suhstmgtdmi rcscmrjf j`gjcrgdgb tfc ldsjmi sustmdgmhdidty j`gndtd`gs `l tfcb`vcrgocgt hunbct j`gstrmdgt. ^fc sustmdgmhdidty `l puhidj ncht jmg hc cxmodgcn lr`otfc b`vcrgocgt hunbct j`gstrmdgt dg tfc ldsjmi p`idjy idtcrmturc. H`fg (=446) pr`p`scn mndllcrcgt ldsjmi sustmdgmhdidty tcst t` cstdomtc tfc trmgsvcrsmiiy j`gndtd`g. Fc l`ugn tfmtmg dgjrcmsc dg tfc rmtd` `l b`vcrgocgt ncldjdt t` BNQ dgjrcmscn tfc rmtd` `l tfc prdomrysurpius t` BNQ lr`o =4=< t` =443 dg tfc Sgdtcn Ztmtcs (SZ). Fc j`gjiuncn tfmt SZldsjmi p`idjy sustmdgcn mg dgtcrtcop`rmi hunbct j`gstrmdgt. H`fg (8113) mis` cxmodgcntfc sustmdgmhdidty `l SZ ldsjmi p`idjy hy usdgb nmtm lr`o tfc SZ ldsjmi rcj`rns lr`o=248‚‚811: mgn jrdtdjmiiy rcvdcwcn tfc sustmdgmhdidty j`gndtd`gs mgn tfcdr tcstmhicdopidjmtd`gs, mppiydgb tfco t` SZ nmtm t` copfmsdzc tfc rmodldjmtd`gs `l cj`g`odjbr`wtf. M ’br`wtf ndvdncgn‟ fms fdst`rdjmiiy j`vcrcn tfc cgtdrc dgtcrcst hdii `g SZ ncht.Sgdt r``t tcsts `g rcmi scrdcs, ugsjmicn hy BNQ, mrc ndst`rtcn hy tfc scrdcs— scvcrcfctcr`skcnmstdjdty. ^fc o`st jrcndhic cvdncgjc dg lmv`r `l sustmdgmhdidty ds tfc r`hustp`sdtdvc rcsp`gsc `l prdomry surpiuscs t` liujtumtd`gs dg tfc ncht-t`-BNQ rmtd`.

    L`r Empmgcsc jmscs, tfcrc mrc mis` suhstmgtdmi copdrdjmi stundcs `g tfds dssuc. M stunyhy T`sfdg` mgn Odz`bujfd (81=1) dgvcstdbmtcs tfc r`ic `l tfc Idhcrmi Nco`jrmtdj Qmrty`g tfc ldcin `l puhidj cxpcgndturc. ^fc stuny sf`ws tfmt spcgndgb dgdtdmiiy lucicnEmpmg—s rmpdn p`stwmr br`wtf mgn kcpt tfc INQ dg p`wcr l`r o`st `l tfc imst fmil-jcgtury. F`wcvcr, mltcr tfc cj`g`odj huhhic hurst dg =441, tfc j`ugtry lcii dgt` m i`gbcj`g`odj omimdsc, jmiicn tfc ’i`st ncjmnc.‟ J`gsdncrdgb tfc jurrcgt EBHjdrjuostmgjcs dg Empmg, wc dgtr`nujc tfc stmhdidty j`gndtd`g l`r tfc b`vcrgocgt h`gnomrkct hy tmkdgb dgt` mjj`ugt `l b`vcrgocgt suppiy mgn ncomgn l`r b`vcrgocgth`gns hy ldgmgjdmi dgstdtutd`gs. OjGcids mgn T`sfdg` (81=8) mppidcn Hmycsdmg

    cstdomtd`g t` mg `pcg-cj`g`oy nygmodj st`jfmstdj bcgcrmi cqudidhrduo (NZBC) o`nci

    2

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    10/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    `l Empmg. ^fcy l`ugn tfmt tfc cocrbcgjc `l cvcg m somii rdsk prcoduo `g b`vcrgocgtncht wdii trdbbcr sdbgdldjmgt dgstmhdidty dg tfc rcmi mgn g`odgmi vmrdmhics. T`sfdg` mgnOdz`bujfd (81=:m) dgvcstdbmtcn tfc lcmturcs `l tfc li`w `l lugns dg Empmg mjr`ss tdoc.^fcy nco`gstrmtcn tfmt mg dgjrcmscn v`iuoc `l j`rp`rmtc smvdgbs wms ncp`sdtcn msidqudn smvdgbs mgn uscn t` purjfmsc Empmgcsc b`vcrgocgt h`gns tfr`ubf ldgmgjdmidgstdtutd`gs vdm tfc li`w `l lugns. ^fcy mis` sf`wcn tfmt tf`sc wf` ncomgn EBHs pimymg dop`rtmgt r`ic dg tfc stmhdidty `l tfc omrkct. Xcjcgtiy, T`sfdg`, mgn \`iiocr (81=>)j`opmrcn Brccjc wdtf Empmg t` cxpimdg wfy Empmg fms g`t yct sullcrcn lr`o m nchtjrdsds cvcg tf`ubf dts br`ss b`vcrgocgt ncht-t`-BNQ rmtd` ds oujf imrbcr tfmgBrccjc—s. Dg Empmg, m imrbc sfmrc `l b`vcrgocgt ncht ds hcdgb fcin n`ocstdjmiiy, tfcrcmrc suhstmgtdmi jcgtrmi hmgk f`indgbs `l b`vcrgocgt ncht, mgn mut`g`o`us o`gctmryp`idjy jmg hc uscn t` cmsc ldgmgjdmi jrdsds. Hmscn `g tfcdr o`nci mgmiysds, tfcy sf`wwfy Empmgcsc n`ocstdj dgvcst`rs f`in sujf fubc mo`ugts `l EBHs. Dt` mgn F`sfd(81=>) uscn m sdouimtd`g octf`n t` scc wfctfcr Empmg—s hunbct ncldjdts mrcsustmdgmhic mgn j`gjiuncn tfmt Empmg—s ldsjmi sdtumtd`g ds dg m nmgbcr`us z`gc.

    Qrcvd`us mgmiysds, sujf ms tfmt hy H`fg (=446, 8113) `giy uscn tfc b`vcrgocgt

    hunbct j`gstrmdgt l`r tfc stmhdidty `l tfc b`vcrgocgt h`gn omrkct. Dg `ur o`nci, tfcldsjmi sustmdgmhdidty `l b`vcrgocgt h`gns dg Empmg jmg hc cxpimdgcn hy tfc ncomgn l`rb`vcrgocgt h`gns rmtfcr tfmg tfc suppiy. Rc j`gsdncr tfds t` hc rcprcscgtmtdvc `lrcmidty. @ur pmpcr prcscgts m gcw stmhdidty j`gndtd`g l`r tfc h`gn omrkct. Rc mis`prcscgt s`oc ruics l`r ldsjmi stmhdidzmtd`g mgn cxpimdg tfc ldsjmi ruics j`rrcsp`gndgb t`^myi`r—s ruic l`r o`gctmry p`idjy.

    :. ^FC XC\DZCN N@OMX J@GND^D@G MGN H@FG—ZJ@GND^D@G J@OHDGDGCN RD^F ^FC H@GNOMXKC^

    ^fc N`omr j`gndtd`g mgn H`fg—s j`gndtd`g mrc `ltcg uscn t` nctcrodgc wfctfcr hunbctncldjdts mrc sustmdgmhic `r g`t.

    ^fc N`omr j`gndtd`g ds `htmdgcn lr`o tfc b`vcrgocgt hunbct j`gstrmdgt ms l`ii`ws.

     + ∘=  ? Ξ +   B`vcrgocgt Hunbct J`gstrmdgt (=)

    Cqumtd`g (=) stmtcs tfmt b`vcrgocgt spcgndgb ($+dgtcrcst pmyocgts &∘=$ ? gcw dssuc `l b`vcrgocgt h`gns&Ξ$+ tmx rcvcguc&$.

    Ndvdndgb Cqumtd`g (=) hy BNQ () mgn rcwrdtdgb Cqumtd`g (=), wc bct  ∘= ?

     (∘)=+

    ∘= +     N`omr J`gndtd`g (8)

    wfcrc  ?    ⁎   ,  ? ∌   ⁎   , ?    ⁎   , mgn  ?    ⁎  Cqumtd`g (=) ncg`tcs tfc b`vcrgocgt hunbct j`gstrmdgt, wfdjf ncsjrdhcs tfc suppiy `l

    b`vcrgocgt h`gns. Ndvdndgb Cqumtd`g (=) hy   mgn wdtf m lcw trmgsl`romtd`gs, tfcN`omr j`gndtd`g dg Cqumtd`g (8) ds `htmdgcn. Dl tfc dgtcrcst rmtc ds fdbfcr tfmg tfcbr`wtf rmtc `l tfc cj`g`oy, tfc hunbct ncldjdt wdii dgjrcmsc rmpdniy. @g tfc `tfcr fmgn,dl tfc dgtcrcst rmtc ds i`wcr tfmg tfc br`wtf rmtc `l tfc cj`g`oy tfc hunbct ncldjdt wdiij`gvcrbc dg m stmhic omggcr. F`wcvcr, tfc N`omr j`gndtd`g l`juscs `giy `g tfc

    6

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    11/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    suppiy `l b`vcrgocgt h`gns mgn n`cs g`t tmkc dgt` mjj`ugt tfc ncomgn l`rb`vcrgocgt h`gns.

    >. OM^FCOM^DJMI O@NCI

    ^fds pmpcr ncsjrdhcs tfc cqumtd`gs `l h`tf tfc b`vcrgocgt h`gn suppiy mgn tfcb`vcrgocgt h`gn ncomgn hmscn `g tfc o`nci sct `ut hy T`sfdg` mgn Odz`bujfd(81=1, 81=:h). @ur o`nci ds suoomrdzcn ms l`ii`ws5

     + ∘= ? ∌ +  + ∌ B`vcrgocgt hunbct j`gstrmdgt ? Zuppiy `l b`vcrgocgt h`gns (:)

    ∌ ? 1 + = Ncomgn l`r b`vcrgocgt h`gns (>)

    Lr`o Cqumtd`gs (:) mgn (>), wc `htmdg tfc cqudidhrduo dgtcrcst rmtc `l b`vcrgocgth`gns5

    − ? ∘∘∘∌∘   (3)

     M sdopic omjr` o`nci tfmt dgjiuncs tfc ncomgn sdnc `l tfc b`vcrgocgt h`gn jmg hcj`gstrujtcn ms l`ii`ws.

    Cqumtd`g (:) ds tfc ndsp`smhic dgj`oc, sf`wdgb wmbc dgj`oc, trmgslcr pmyocgts lr`otfc b`vcrgocgt, mgn dgtcrcst rcjcdvcn lr`o b`vcrgocgt h`gns, odgus tmx pmyocgts.^fc ndsp`smhic dgj`oc ds ndstrdhutcn dgt` j`gsuoptd`g mgn smvdgbs. Zmvdgbs mrcmii`jmtcn l`r tfc purjfmsc `l b`vcrgocgt h`gns, l`r o`gcy ncomgn, mgn t` dgjrcmscn`ocstdj ncp`sdts.

    Ndsp`smhic dgj`oc ds ncldgcn ms dgj`oc ( ) pius b , tfc dgtcrcst rcjcdvcn lr`ob`vcrgocgt h`gns hy f`uscf`ins (∘=), odgus tfc tmx pmyocgt () ms l`ii`ws. ^fcndsp`smhic dgj`oc ds ndvdncn dgt` j`gsuoptd`g () mgn smvdgbs ()

     ?    + ∘=  ?  +  wfcrc  ? Ξ + ∌ + Ξ  (

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    12/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    wmgt t` huy o`rc b`vcrgocgt h`gns mgn rcnujc tfc mo`ugt `l ncp`sdts. Mii ncp`sdtsmrc uscn l`r hmgk i`mgs t` smtdsly dgvcstocgt.

    Lr`o Cqumtd`gs (.= Xcvdscn N`omr J`gndtd`g J`ohdgcn wdtf tfc H`gn Omrkct

    Ldburc 3 sf`ws tfc trcgn `l tfc i`gb-tcro dgtcrcst rmtc (=1-ycmr Empmgcsc b`vcrgocgth`gn ydcin) mgn g`odgmi BNQ br`wtf rmtc `l Empmg. Ms tfc ldburc sf`ws, pmrtdjuimriy

    nurdgb 811:‚8114, tfc i`gb-tcro dgtcrcst rmtc mgn g`odgmi BNQ br`wtf rmtc mrcmppr`xdomtciy j`-o`vdgb. ^fc ldburc sf`ws tfmt tfc rmtc `l dgtcrcst cxjccns tfc br`wtfrmtc `l tfc cj`g`oy. Dt subbcsts tfmt tfc Empmgcsc hunbct ds `g mg ugstmhic pmtf,hmscn `g tfc N`omr j`gndtd`g. Mppiydgb tfc N`omr j`gndtd`g mgn tfc jmsc stundcs `lQ`idt` mgn Rdjkcgs (8112), tfc nmtm sf`ws tfc dgstmhdidty `l h`gn ldgmgjdgb dg Empmg.J`opmrcn wdtf tfc stmhdidty j`gndtd`g dg H`fg (=446) mgn `tfcr stundcs, `ur o`ncij`gsdncrs tfc strujturc `l tfc h`gn omrkct. Zdgjc h`tf tfc dgtcrcst rmtc mgn h`gnsuppiy mgn ncomgn mrc cgn`bcg`us dg `ur o`nci, wc jmg dgvcstdbmtc tfc stmhdidtyj`gndtd`g hmscn `g tfc cmjf cj`g`odj vmrdmhic dg tfc cj`g`oy.

    =1

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    13/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    Ldburc 35 ^fc Xcmi BNQ Br`wtf Xmtc mgn tfc I`gb-tcro Dgtcrcst Xmtc dg Empmg

    BNQ ? br`ss n`ocstdj pr`nujt.

    G`tc5 ^fc BNQ br`wtf rmtc l`r cmjf qumrtcr ds j`opmrcn t` tfc prcvd`us ycmr mgn scms`gmiiy mneustcn. ^fcdgtcrcst rmtc ds tfc =1-ycmr Empmgcsc b`vcrgocgt h`gn ydcin.

    Z`urjc5 ]umrtcriy cstdomtcs ̀ l BNQ, Cj`g`odj mgn Z`jdmi Xcscmrjf Dgstdtutc (CZXD), Jmhdgct @lldjc ̀ l Empmg;Gdkkcd GCCNZ.

    3. LDZJMI Q@IDJT XSIC MGN ^MV XSIC ^@ MJFDC\C

    ZSZ^MDGMHDID^T @L ^FC HSNBC^^fc ldsjmi p`idjy ruic jmg hc `htmdgcn ms l`ii`ws.

    ^fc `hecjtdvc lugjtd`g `l tfc b`vcrgocgt ds sct ms5

    ( , , ,,∌  ) ? =8=( −)8 + =88 

    8 + =8:( ∘=)8 + =8>( 

    ∘=)8 + =83(∌ ∌−)8  &=>$ 

    ^fc b`vcrgocgt mdos t` stmhdidzc b`vcrgocgt ncht () ms ji`sc ms p`ssdhic t` dtsncsdrcn icvci, wdtf BNQ () ji`sc t` tfc luii copi`yocgt icvci `l BNQ (), mgn wdtf mso``tf jfmgbc `l b`vcrgocgt spcgndgb ( ), so``tf jfmgbc `l tmxmtd`g ( ), mgnso``tf jfmgbc `l tfc li`w `l h`gns (∌). Fcrc  ( ? =,⋠ ,3) mrc tfc p`idjy wcdbftstfc b`vcrgocgt jmg sct.Rc odgdodzc tfc i`ss lr`o tfc b`vcrgocgt—s `hecjtdvc lugjtd`g hy ocmgs `lb`vcrgocgt spcgndgb () mgn tfc so``tf jfmgbc `l tmxmtd`g ().odg,

    ( , , , ,∌  )

    ?=

    8=( −)8 +

    =

    88 

    8+

    =

    8:( ∘=)8 +

    =

    8>(  ∘=)8

    +=

    83(∌ ∌−)8 

       =   4   4   3   ]   =

       =   4   4   3   ]   :

       =   4   4   <   ]   =

       =   4   4   <   ]   :

       =   4   4   2   ]   =

       =   4   4   2   ]   :

       =   4   4   6   ]   =

       =   4   4   6   ]   :

       =   4   4   4   ]   =

       =   4   4   4   ]   :

       8   1   1   1   ]   =

       8   1   1   1   ]   :

       8   1   1   =   ]   =

       8   1   1   =   ]   :

       8   1   1   8   ]   =

       8   1   1   8   ]   :

       8   1   1   :   ]   =

       8   1   1   :   ]   :

       8   1   1   >   ]   =

       8   1   1   >   ]   :

       8   1   1   3   ]   =

       8   1   1   3   ]   :

       8   1   1   <   ]   =

       8   1   1   <   ]   :

       8   1   1   2   ]   =

       8   1   1   2   ]   :

       8   1   1   6   ]   =

       8   1   1   6   ]   :

       8   1   1   4   ]   =

       8   1   1   4   ]   :

       8   1   =   1   ]   =

       8   1   =   1   ]   :

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       8   1   =   =   ]   :

       8   1   =   8   ]   =

       8   1   =   8   ]   :

       8   1   =   :   ]   =

       8   1   =   :   ]   :

    -=1

    -6

    -<

    ->

    -8

    1

    8

    >

    <%

    Dgtcrcst rmtc

    BNQ br`wtf rmtc

    ==

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    14/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    ^fc ldrst-`rncr j`gndtd`gs mrc5

    ? =( −) + 8 

      + :( ∘=) + 3(∌ ∌−) ∌

     ? 18 (=3)

    ? =( −) + 8    + >( ∘=) + 3(∌ ∌−) ∌  ? 1

    (= 81=>, m pcrd`n wfdjf dgjiuncs tfc p`st-huhhic crm `l tfc Empmgcsc cj`g`oy, tfc =442‚=446 Msdmg ldgmgjdmi jrdsds, tfc 8116‚8114 bi`hmi ldgmgjdmi jrdsds, mgn tfc 81== Brcmt Cmst Empmg cmrtfqumkc mgn tsugmod.

    ^fc b`vcrgocgt cxpcgndturc uscn dg `ur copdrdjmi survcy ds tfc t`tmi puhidj ncomgnmgn tmx ds tfc t`tmi b`vcrgocgt tmx rcvcguc, h`tf scms`gmiiy mneustcn. O`gcy ncomgn

    ?  ∘

    + =, 

    ? (+)+

    ∌   ,  ∌

    ?  ∘

    + = 

    : ?   ∘ + = ,  

    ?  (+)+∌   ,   ∌ ?  

    ∘+ = 

    =8

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    15/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    ds O8, tfc mvcrmbc mo`ugt `l `utstmgndgb o`gcy st`jk hmscn `g tfc ycmr-`g-ycmrjfmgbc. L`r tfc `utstmgndgb h`gns wc uscn tfc t`tmi `utstmgndgb EBHs mgn `tfcrh`rr`wdgbs `l tfc Empmgcsc b`vcrgocgt. J`gsuoptd`g ds prdvmtc j`gsuoptd`g, dgj`ocds BNQ, mgn dgvcstocgt ds prdvmtc dgvcstocgt, mii scms`gmiiy mneustcn mgn dg rcmi tcros,nclimtcn hy tfc BNQ nclimt`r (8114?=11). ^fc gcwiy dssucn h`gns mrc tfc gcw dssucs`l puhidj h`gns mgn gcw dssucs `l b`vcrgocgt h`gns. ^fc s`urjcs `l tfc nmtm mrc tdocscrdcs nmtm lr`o tfc Hmgk `l Empmg (H@E), Dgtcrgmtd`gmi Ldgmgjdmi Ztmtdstdjs (DLZ) `l tfcDgtcrgmtd`gmi O`gctmry Lugn (DOL), Cj`g`odj mgn Z`jdmi Xcscmrjf Dgstdtutc (CZXD), tfcEmpmgcsc Jmhdgct @lldjc, Gdkkcd GCCNZ, mgn @CJN Cj`g`odj @uti``k.

    ^` cvmiumtc tfc stmtd`gmrdty `l tfc scrdcs, wc uscn mg mubocgtcn Ndjkcy‚Luiicr tcst.^fc rcsuits subbcst tfmt vmrdmhics l`r `utstmgndgb b`vcrgocgt h`gns, dgvcstocgt,dgtcrcst rmtc, mgn prdvmtc ncp`sdts mrc g`g-stmtd`gmry dg icvci. F`wcvcr, wfcg wcmppidcn tfc ugdt r``t tcst t` tfc ldrst ndllcrcgjc `l tfc vmrdmhics, wc wcrc mhic t` rcecjttfc guii fyp`tfcsds `l ugdt r``ts l`r cmjf `l tfc vmrdmhics. ^fcsc rcsuits subbcst tfmttfc b`vcrgocgt h`gn, dgvcstocgt, dgtcrcst rmtc, mgn prdvmtc ncp`sdt vmrdmhics cmjfj`gtmdg m ugdt r``t. @gjc tfc ugdt r``t tcst wms pcrl`rocn mgn dt wms ndsj`vcrcn tfmt

    tfc vmrdmhics wcrc g`g-stmtd`gmry dg icvci mgn stmtd`gmry dg tfc ldrst ndllcrcgjcs, tfcywcrc dgtcbrmtcn `l `rncr =. Fcgjc, vmrdmhics wdii mppcmr dg tfc cj`g`octrdj o`nci dgldrst ndllcrcgjcs. Rc uscn `rndgmry icmst squmrcs (@IZ) dg `rncr t` rug tfc rcbrcssd`gsl`r cmjf cqumtd`gs. Rc uscn tfc Mkmdkc Dgl`romtd`g Jrdtcrd`g t` scicjt tfc imb `rncrs.

    Qrd`r t` ruggdgb tfc rcbrcssd`gs wc pi`ttcn Ldburcs 111

       J   f  m  g  b  c  s   d  g  s  m  v   d  g  b

    Jfmgbcs dg ndsp`smhic Dgj`oc

    =:

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    16/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    Ldburc 25 Jfmgbcs dg Dgj`oc vcrsus Qrdvmtc j`gsuoptd`g

    Ldburc 65 Jfmgbcs dg Dgj`oc vcrsus Ncp`sdts

    .G`tc5 Ncp`sdts ? smvdgb ‚ ncomgn l`r b`vcrgocgt h`gns

    Nmtm p`dgts l`r 8111]= mgn 811=]= mrc g`t sf`wg ms tfcy mrc `utsdnc tfc ldburc.

    Z`urjc5 Gdkkcd GCCNZ.

    L`r tfc `utidcr p`dgts, wfdjf wcrc omdgiy l`ugn nurdgb tfc jrdsds pcrd`ns, wc ncldgcn mnuooy vmrdmhic l`r cmjf `l tfc rcimtcn cqumtd`gs.

    Hci`w mrc tfc rcsuits `l tfc rcbrcssd`gs5

    Cq. >5 Ncomgn l`r b`vcrgocgt h`gns5 ( )   )(=::336>>>:41t t 

      r  H   +?∌  

    Cq. 25 Dgvcstocgt lugjtd`g5 [ _)(8=8363=3:)(t t 

      r  D    ∌∘?∌  

    Cq. 65 J`gsuoptd`g cqumtd`g5 )(3:.14>>3t t 

      TNJ    +?  

    Cq. 45 Ncp`sdt cqumtd`g5 )(]8

    =442]=

    =446]8

    8111]8

    8113]>

    8116]8

    8116]:8114]=

    -1

    -:1

    -81

    -=1

    1

    =1

    81

    :1

    >1

    31

    -2111 -3111 -:111 -=111 =111 :111

       J   f  m  g  b  c  s   d  g   n  c  p  `  s   d   t  s

    Jfmgbcs dg ndsp`smhic dgj`oc

    =>

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    17/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    Ldburc 45 Empmgcsc Xcmi Qrdvmtc J`gsuoptd`g mgn Xcmi F`uscf`in Zmvdgbsms m Qcrjcgtmbc `l Xcmi Ndsp`smhic Dgj`oc, ]= =44>‚]= 81=:

    Z`urjc5 Gdkkcd GCCNZ

    J`gscqucgtiy wc jmijuimtc tfc b`vcrgocgt spcgndgb ruic (Cqumtd`g =2) mgn tmxmtd`gruic (Cqumtd`g =6) hmscn `g `ur o`nci hy mssuodgb tfmt tfc ldvc p`idjy wcdbfts dg `urb`vcrgocgt `hecjtdvc lugjtd`g mrc cqumi t` 1.8, mgn tfmt nurdgb 81=>‚81:1 tfcEmpmgcsc rcmi BNQ br`ws mggumiiy hy 8% lr`o tfc prcvd`us ycmr. Ldburc =1 sf`ws tfcpmst mjtumi b`vcrgocgt spcgndgb mgn tmx rcvcguc `l tfc Empmgcsc b`vcrgocgt (]8=44>‚]> 81=:) mgn tfc pr`ecjtcn b`vcrgocgt spcgndgb mgn tmx rcvcguc (]= 81=>‚]>81:1) hmscn `g `ur o`nci.

    Ldburc =15 B`vcrgocgt Cxpcgndturc mgn ^mx Xcvcguc

    G`tc5 ^fc brmy sfmncn mrcm dgndjmtcs tfc pr`ecjtcn vmiucs. ^fc iclt-fmgn mxds dgndjmtcs b`vcrgocgtcxpcgndturcs (prdomry cxpcgscs) mgn tmx rcvcguc, mgn tfc rdbft-fmgn mxds dgndjmtcs tfc mjjuouimtcnh`gns/rcmi qumrtcriy BNQ.

    Z`urjc5 Xmw nmtm mrc lr`o Gdkkcd GCCNZ, pr`ecjtd`g vmiucs mrc j`opdicn hy tfc mutf`rs.

     Ms diiustrmtcn dg Ldburc =1, dg `rncr t` mjt ms pcr tfc `ptdomi ldsjmi p`idjy ruic pr`vdncndg tfds pmpcr mgn dg `rncr t` rcnujc tfc mo`ugt `l gmtd`gmi ncht lr`o dts prcscgt fdbf

    1

    1.=

    1.8

    1.:

    1.>

    1.3

    1.<

    1.2

    1.6

    1.4

       =   4   4   >

       ]   =

       =   4   4   >

       ]   >

       =   4   4   3

       ]   :

       =   4   4   <

       ]   8

       =   4   4   2

       ]   =

       =   4   4   2

       ]   >

       =   4   4   6

       ]   :

       =   4   4   4

       ]   8

       8   1   1   1

       ]   =

       8   1   1   1

       ]   >

       8   1   1   =

       ]   :

       8   1   1   8

       ]   8

       8   1   1   :

       ]   =

       8   1   1   :

       ]   >

       8   1   1   >

       ]   :

       8   1   1   3

       ]   8

       8   1   1   <

       ]   =

       8   1   1   <

       ]   >

       8   1   1   2

       ]   :

       8   1   1   6

       ]   8

       8   1   1   4

       ]   =

       8   1   1   4

       ]   >

       8   1   =   1

       ]   :

       8   1   =   =

       ]   8

       8   1   =   8

       ]   =

       8   1   =   8

       ]   >

    %

    Xcmi prdvmtc j`gsuoptd`g/ Xcmi ndsp`smhic

    dgj`oc

    Xcmi smvdgb/ Xcmi ndsp`smhic dgj`oc

    1%

    811%

    >11%

    1.11

       =   4   4   >   ]   8

       =   4   4   3   ]   8

       =   4   4   <   ]   8

       =   4   4   2   ]   8

       =   4   4   6   ]   8

       =   4   4   4   ]   8

       8   1   1   1   ]   8

       8   1   1   =   ]   8

       8   1   1   8   ]   8

       8   1   1   :   ]   8

       8   1   1   >   ]   8

       8   1   1   3   ]   8

       8   1   1   <   ]   8

       8   1   1   2   ]   8

       8   1   1   6   ]   8

       8   1   1   4   ]   8

       8   1   =   1   ]   8

       8   1   =   =   ]   8

       8   1   =   8   ]   8

       8   1   =   :   ]   8

       8   1   =   >   ]   8

       8   1   =   3   ]   8

       8   1   =   <   ]   8

       8   1   =   2   ]   8

       8   1   =   6   ]   8

       8   1   =   4   ]   8

       8   1   8   1   ]   8

       8   1   8   =   ]   8

       8   1   8   8   ]   8

       8   1   8   :   ]   8

       8   1   8   >   ]   8

       8   1   8   3   ]   8

       8   1   8   <   ]   8

       8   1   8   2   ]   8

       8   1   8   6   ]   8

       8   1   8   4   ]   8

       8   1   :   1   ]   8

       ¥   t  r   d   i   i   d  `  g

    B`vcrgocgt cxpcgndturcs ^mx rcvcguc Mjjuouimtcn h`gn/Xcmi qumrtcriy BNQ

    Qr`ecjtd`g

    =3

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    18/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    icvci, Empmgcsc b`vcrgocgt cxpcgndturc gccns t` hc rcnujcn nrmstdjmiiy mgn tfcb`vcrgocgt tmx rcvcguc gccns t` sfdlt upwmrn. ^fds ocmgs tfmt h`tf sdncs `l tfchunbct gccn t` hc mneustcn sdouitmgc`usiy (cxpcgndturc mgn rcvcguc) dg `rncr t`mjfdcvc ldsjmi sustmdgmhdidty. Lurtfcr, ms ds mppmrcgt lr`o tfds ldburc, tfc ncjrcmsc dgcxpcgndturc gccns t` hc o`rc tfmg tfc dgjrcmsc `g tfc rcvcguc sdnc. Ms pcr `urjmijuimtd`gs l`r 81=>‚81:1, tfc Empmgcsc b`vcrgocgt gccns t` jut cxpcgndturc hy>3% mgn rmdsc tmx rcvcguc hy :6%, l`r tfc purp`sc `l ldsjmi sustmdgmhdidty. L`r tfds,mmjjuouimtcn b`vcrgocgt h`gns/rcmi BNQ gccns t` hc rcnujcn lr`o 886% dg ]>81=: t` =4 81:1.

    2. J@GJISZD@G

    ^fds pmpcr mnnrcsscs tfc dssuc tfmt tfc j`gvcgtd`gmi N`omr j`gndtd`g l`r tfc stmhdidty`l tfc hunbct ds `htmdgcn `giy lr`o tfc suppiy sdnc l`r b`vcrgocgt h`gns, gmociy tfcb`vcrgocgt hunbct j`gndtd`g. Dt ds dop`rtmgt t` mis` tmkc dgt` mjj`ugt tfc ncomgn sdnc

    `l b`vcrgocgt h`gns. Empmg mgn Brccjc fmvc h`tf mjjuouimtcn m imrbc mo`ugt `lb`vcrgocgt ncht, hut Brccjc wcgt hmgkrupt wfcrcms Empmg—s ncht fms hccgsustmdgmhic. Rc fmvc sf`wg tfmt tfc ncomgn strujturc `l b`vcrgocgt h`gns dg Empmgds n`odgmtcn hy n`ocstdj dgvcst`rs. @g tfc `tfcr fmgn, dg Brccjc, ncomgn dsn`odgmtcn hy `vcrscms dgvcst`rs. ^fds fdbf rmtd` `l `vcrscms dgvcst`rs wms tfc jmusc`l tfc dgjrcmsc dg tfc dgtcrcst rmtc `l b`vcrgocgt h`gns dg Brccjc.

     Ms H`fg—s j`gndtd`g n`cs g`t smtdsly cj`g`odj rcj`vcry mgn `giy bdvcs tfc j`gndtd`g t`rctmdg tfc hunbct hmimgjc, tfc `ptdomi b`vcrgocgt spcgndgb ruic mgn tmx rcvcguc ruicfmvc t` hc `htmdgcn. ^fc `ptdomi ldsjmi p`idjy ruic fms t` cxmodgc f`w b`vcrgocgtncht ndvcrbcs lr`o tfc ncsdrcn icvci, f`w tfc li`w `l tfc b`vcrgocgt hunbct ncldjdtndvcrbcs lr`o tfc ncsdrcn icvci, mgn tfc BNQ bmp. ^fc gcw ldsjmi p`idjy ruic `htmdgcndg tfds pmpcr smtdsldcs tfc j`gndtd`gs l`r h`tf tfc stmhdidty `l tfc hunbct mgn tfc rcj`vcry

    `l tfc cj`g`oy mt tfc smoc tdoc.

    J`gscqucgtiy, tfc copdrdjmi ldgndgbs sf`w tfmt dg `rncr t` mjfdcvc ldsjmi sustmdgmhdidtyhmscn `g tfc `ptdomi ldsjmi p`idjy ruic pr`p`scn dg tfds pmpcr, h`tf sdncs `l tfcEmpmgcsc b`vcrgocgt hunbct (cxpcgndturc mgn rcvcguc) gccn t` hc mneustcnsdouitmgc`usiy. ^fc rcsuits sf`w tfmt tfc ncjrcmsc dg b`vcrgocgt cxpcgndturc fms t`hc t` o`rc tfmg tfc dgjrcmsc dg tmx rcvcguc.

    =

  • 8/20/2019 Optimal Fiscal Policy Rule for Achieving Fiscal Sustainability: A Japanese Case Study

    19/19

     MNHD R`rkdgb Qmpcr 3:= T`sfdg`, Odz`bujfd, mgn ^mbfdzmncf-Fcsmry

    XCLCXCGJCZ

    H`fg, F. =446. ^fc Hcfmvd`r `l SZ Quhidj Ncht mgn Ncldjdts. ]umrtcriy E`urgmi ̀ l

    Cj`g`odjs ==:(:)5 4>4‚4>>. ^fc Hurncg `l tfc Ncht mgn tfc Gmtd`gmi Dgj`oc.  MocrdjmgCj`g`odj Xcvdcw  :>(>)5 246‚682.

    OjGcids, Q., mgn G. T`sfdg`. 81=8. Omjr`cj`g`odj \`imtdidty ugncr Fdbf Mjjuouimtd`g`l B`vcrgocgt Ncht5 Icss`gs lr`o Empmg. Mnvmgjcs dg J`opicx Zystcos =3(Zuppi. G`.8)5 =831132-=‚=831132-84.

    F`sfd, ^., mgn ^. Dt`. 81=>. Nclydgb Brmvdty5 Jmg Empmgcsc Z`vcrcdbg Ncht J`gtdguc t`

    Dgjrcmsc wdtf`ut m Jrdsds0 Cj`g`odj Q`idjy E`urgmi  84(2)5 3‚>>.

    T`sfdg`, G., mgn ^. Odz`bujfd. 81=1. ^fc X`ic `l Quhidj R`rks dg tfc Q`idtdjmiHusdgcss Jyjic mgn tfc Dgstmhdidty `l tfc Hunbct Ncldjdts dg Empmg. MsdmgCj`g`odj Qmpcrs 4(=)5 4>‚==8.

    T`sfdg`, G., mgn ^. Odz`bujfd. 81=:m. Jfmgbc dg tfc Li`w `l Lugns mgn tfc LdsjmiXuics Gccncn l`r Ldsjmi Ztmhdidzmtd`g. Quhidj Q`idjy Xcvdcw  6(. ^fc Z`vcrcdbg Ncht Jrdsds5 Rfy Brccjc, hut g`t

    Empmg0 Msdm Cur`pc E`urgmi  =8(:)5 :83‚:>=.

    T`sfdg`, G., mgn L. ̂ mbfdzmncf-Fcsmry. L`rtfj`odgb. Empmg—s I`st Ncjmnc5 Jmuscs,J`gscqucgjcs mgn Xcocndcs. Cj`g`odj mgn Q`idtdjmi Ztundcs > (8)5 Euiy 81=m. ^frcc Mrr`ws `l ’Mhcg`odjs‟ mgn tfcZtrujturmi Xcl`ro `l Empmg5 Dglimtd`g ^mrbctdgb Q`idjy `l tfc Jcgtrmi Hmgk,Ldsjmi J`gs`idnmtd`g, mgn Br`wtf Ztrmtcby. MNHD R`rkdgb Qmpcr >48. ^`ky`5 Msdmg Ncvci`pocgt Hmgk Dgstdtutc.

    T`sfdg`, G., mgn L. ^mbfdzmncf-Fcsmry. 81=>h. Mg Mgmiysds `l Jfmiicgbcs Lmjcn hyEmpmg—s Cj`g`oy mgn Mhcg`odjs. ^fc Empmgcsc Q`idtdjmi Cj`g`oy  >15:‚>,:2‚