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ui iinD - NBER · 2020. 3. 20. · beLoLwsucG--pop piäp euq IOM-- LGp9IAG o bGL4OLWYUCG W9 I!G2 M!4JIU 20W0 2 IPGLG 12 2OWG GAIqGUCG p94 pogqe q2C0flU GXLGWG L69I!91!OU2 01, ionap

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  • aisia siaqq DT4DISIOW 5IHfl14

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    LGqnciua 29wbjG 2iG pA L624L!C4!Uä fiG 9u9(A212 40 CEO2 MIrp IUCLG92ILJd(A oua 9AGL9aG0111 A!GM 04 fiG 419q6-044 G4MGGU G21!W94IUä qquiou (2 iu iG b6uoLw9ucc A9LfYPIG2 uqC11LL6U4 COWbGU294IOLI 9bb6912 o qGc9A cOu2Iq6LYpIA pGAouq fiG 41121 4M0 (9ä2 jji12 LG4(6C42

    MG C026 1P!2 C114044 40 COU2GLA6 q9i:9 9uq pGC9fl2G 4416 0446C1 04 b924 bGL4oLw9ucG OU

    2np249up9(pA P!äPG1 ru fiG flULG24UC1G qAuwic woqG LG(SIIAG 10 fiG

    (U COU4LGa4' fiG G2IIWYIGq !wb9C4 04 W9L(64 LG4J1LU2 0U GXGCnI!AG bsA !2

    !UCLGG2G !U 29(GLA uq pouri Gdfl!A9(GUI 40 \° 04 OUG AG9L%2 C0WbGU291I0Ue

    !UC1G92G iU gcconu4iuä LG411LU2 qnuua fiG J 9802 a6u619462 9U 9AGLGaG CflWfl(SfAG

    bLeA!one AGGLe, LG4I1LU WG92fl162 BiG L62flJ12 anaaoa4 494 JO bGLcGu4gaG bo!ul

    !UCInqu0 iääeq 9CCO11U4!Uä LGfflLU2 2p1442 90fl4 Oo\° 04 fiG GaPwalGq MG!aIJI 40 fiG

    cou4swbolgucon2-ou)A (coinwu g) uq äoueL9( qAuwic (co(nwu ) ebecIl!cGlIou2' P114

    0A619( 1Wb9C4 04 gcconu4:iuä LG411LU ou bA i LonpjA C0U249U4 PGIMGSU fiG

    cou2iqcL9pA G1MGGU scconu4iu3 suq W91((G4 bol4oLwYuce WG9211LG2 PG GaqW9lGq

    i qAUWIC b9UGLU 04 boL4oLwsucG 044GC12 ou cowbeue94iou q4GL2

    !UII11GUCG 12 uo. bsL4oc.qA b612ie46u4 OAGL 4!WG

    qAuGwic2: b924 bGL4oLwGucc 92 Gu 1U4(11GUCG OU C11LLGU4 cowbGue94lou' P114 494

    cowbGu2S4iou IGAGI 2lLoua(A 1616C4 0flJ 04 fiG 2!Wb(G W0G(2 04 bsA-4o1-boL4oLwGUce

    uq IMO 9ä2 401 G9C LG4IILU WG9211LG3 JJJG 1G2flI42 4LOW 14J12 W0G( 04

    2b6C11!c94iou' pGq dnou (JY conwu LeboL4a 16211(42 4194 iuCJnqG CIILLGU4

    E!.9IIA' C0(I1WU G241W9402 fiG UJOIG 3GUGL9I qAU9WC bGL4oLwGLJcc

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  • IGAGI2 Gdfl94SOU2

    411W bGLoLw9ucG wA oAGLaggG qiG bei4oLwuce 2GU2I!AI4A o bA lu cowbGu2agiou

    2naaGeiua p9 C0LLGJ9!0U2 P6MGGU flUO26LAG CEO-2b6C!UC 6446C.12 suq

    GJIW9G C0G44!CIGUJ2 919 cou2IqGL9pJA 2W9JGL (4J9U 1JO2G LGbOLgGq !U .19p10

    9 OUG-J!WG 2POC1( .O LGJflLU aeuGLG.$62 9 0UG-.!WG 2POCK o cowbGu2g.iou 1PG

    92G ou GdngIou (3y iwbiIcijA G22flWG U0 IWGWOLAI !U .I4JG cowbGu29Iou bLocea2:

    ps ebocipc9Ioue LGboLcq iu conwua j uq o JJJG2G LG21LICGq woqGJ2cp9uaGe !U W91)(G IG1flLU2 JJJG2G colkeabouq o 2!WbG p121-qI44GLGUCG 6211W9.fG2 04

    COI1WU2 j uq 3 !U spe 3 woqe Cp9UäG2 IU IU(2VrVIA) 92 g UCIOU o

    GXGWIUG pop GAG2 04 WSLKGI LGU1LU suq ctisuaee IU W9L(G1 LGflLU

    I-19 !UClfllG 9U gccorlu4iuä WGG2I1LG o4 bGL4oLwGucG MG A9LA W ebGc4cagou2 0

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    uq tuqn2LA G44cc2t suq 9IG1U9!AG ebecqic9iou2 04 fiG bGL4oLwGucG WG9211162 10

    LGäLG22!0U2 woqG Cp9UäG2 iu Iu(2vrvEu) gg S 4nuciou 04 cp9IJäG2 IU ,u(2vrE2) AGSL

    !U tnLl4JGL qc19i 11 9PlG 3' 112!U8 4!L2.-q!44GLGUC6 WO6(2 04 cowbGueapow IPG2G

    MG GXbIOLG fiG !UGLGWbOLSl 2(flC.ffl1G 04 fiG bYA-4o1-bGL4oLwsuce LGl9!OU2p!b

    bel4olwsuco OU CEO byA

    boLoLw9uco L6s1oU2pib 12 ouiA couGwbo19uoon2 nUqGLGagiWYJG pG iwbgc 04 W9LJ(64

    p0U112 jG2G LG2fl42 2rIa8Ga p9 6AG2 ebGct4!cs!ou2 4J91 92211W6 4JG b9A-4oL-

    .te cowpiueq G44GC ia GdningIou J0 9 0UG-iWG !UCLGSSG 04 LOIIaPIA 2o\° !U SYISLA suqAGSL,2 cowbGu2s!ou' suq Oto\° (5\o) !UCLGS2G !U fiG 4OIIOMIUä Aegi, cowbGu29!ou

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    4JG I a8O' 401 GXSWbIG' 9 j bGLcGusaG boiu !UCLG9SG IU W9LI

  • Gdfl9410U2

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    IP oippou2 9uq AJflLbpA 29wb6 C0AGi 2pOL46L liws beuoq (j j-J asel pill I9LaGL

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    241flC4fl16 JjJ!2 woqe coiLoabouqe 40 41L24-q144GLGIJCG 624!W9462 04 46 eboc!4icgliou

    CO(1WU 04 49(G 3 LGbOL42 16211(42 tot. 4G 86u619( q1kuwic boioLwsucs

    WOG( 04 edng4ioue (j) suq (

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    boiec.qA beLCia4ou4 9bb0912 40 P644G1 294!24A 4G q949 V2 !U 1G IGAGI2 Gdnsioue'

    04 .flJG2G 4M0 piäpA eiwbiicq ebscipc94iou2 gaenwiua .flJ94 boL4oLw9ucG 6446C42 916

    04 CO(11WU2 , suq 01 04 C0(I1WU2 3 uq 2Y (4 OUG !2 40LCG 40 C002G PGIMGGU OUG

    W0GI 04 edng4iou (j) 4o 1G iGe4uclioue iwboeoq pA odngpou (3) (cowb9LG WG 22I

    LG2ILICIGq edng4ioue ' wtuwnw (6924 ednoLoq 011012 4624 MOfl( bLG4GL 46 LGarLiclGq

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    Luoqi4iGq' P114 2!W!I9L cowbGuag4iou Gdfl94i0U2

    ippoue uq jnibpA (1880) 401. 9 2OwGM94 4GL6U1 eswb suq 2I!8p41A

    uq lu gu anp2GdnGUl AG9L2 jjJ626 624!W9462 si.e cowbslsp(6 40 14J020 Iebokleq pA

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    E!U9IIA' MG U0G qig.g: .l:pG W9LI

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    G4flWiUä .o po UGuoLgi qAuwic abecqiciou !U 4!L2 qi4J6LGuc62' GdngJioU (5) fiG

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    -•o'tB (O.IOY

    4JG Cflh16U WOq

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    tuods o\°c. Er ci lebom cuD ni arnuteu Orlitnu003e flu eassuoni tnioq estneoieq 01 e to

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  • UGa9I1AG' pn 2W9fl6L uq U012!GL' COG.LpCIGUJ G2IW9.62 OU f4JG U609.rIAG S9LIJIUaa uqIcoLfiG 1916 0J CpYU0G tu cowb6u29!ou VbbA!ud K9bI9U2 2bGc!icsou 10 OflI q919 MGq2

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    401 flJG J ce' gcconu.1Iuä 102262 qniuuä .I4JG .1 8O2 LG11CG 2919LA Guq 0Ufl2 pA spon

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    JjJG lG2fll.12 2naaG2.1 .Ipg sccoriu.1iuä 1022G2 isqncs cowbGu2g.1iou poAouq 14JG!L

    !uqc9.1oL ASU9PIS .19.1 GdflYIe ous !u Aeie Mi.1p ioboi.1eq gcconu4iuä 10226239

    cgcconujiuä LGJnLu' MG 62.11 W9.IG .1P026 4112.1 qI44GLGUCG woqea n2iuä .14.16 Cp9UQG !U 9U

    21J14J We IGAGI oJ cowbeuag.1iou pGAouq W.1 bieqiccq pA WG 2lobG C0G44IC!GU.1 0U

    2Gb9L9.IG COUILOI 101 UGä9.1!AG 9CCOflU.1!Ud ceiuiuaa jO .1G2.1 MPG.14J61 9ccoau.1iua f022G2

    lu C0flWU j 04 .19P1G2 2 uq Q MG woqqA 0111 p92!c ebGci4!cs.1iou .1o iucnqo

    bGL4oLwsucG .IGLW2 .1ouq .10 pG 2!W!)9L )fl.1 U012!GV

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    uq conwu 3' .19P16 jO 2!WbII4A .1PG 6xb021.1ioU' MG LGbOL.f C0G44!C!GU.12 OUIA 401 fiG

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    9u9IA2I2 oi. cowbcueg.1!ou B0.1}J .19P102 1126 fiG 1!L2.1 q446L6UCG 2bGCI4!C9.I1OU 04

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    cpYuäG2 M!.1piU 20W9 11U01W9L IGUäGS

    cowbGU2g.1iou LG2bouq qi44oLcu.1iA .o nuri2neIIA 1siäe cpuaee !U bGL4OLW9UCG IpSU .10

    ieebouq qI4IGLGU.1IA o bGL4oLweucG dg!u2 I9U o bGL4OLW9UCG I02262 jjiiLq' qoe

    IG2bOU2!AG (01 UOU-LG2bOU21AG) jO gcconu.1!ua 1022G2S32 GCoUq' qoGe cowbeueg.pou

    cou2iqGl .1PLGG IAb62 04 bo2e!pIG g2AwwG.1LIG2 E!12I' !2 cowbeuagI!ou flUfl2fl9JIA

    boIGuI!gI 92AWWGIL!G2 !U .11.16 !wbeCI o4 bGL4OLW9UCG OU CEO cowbeu2gIiou MG

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    52

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    JJJG -62 401 WO LG2LICIOU f4J9 pe 2IobG2 gIG IIJG 29W0 9CL022 IUCLGY2Gq uq

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    COUCfl2IOU 04 8GUGL9IIA aAWWGLIC cowbGu29iou LGaboueG2 .jo 1uC169262 uq GCLGB262

    IPG 1G2flg2 oi ojp cowbcu29iou IU fpJG Q COJflWU 9LG COU2!24GU.g M!.p WG

    qI1GCI0U 04 9LäG1 cowbGu2g!ou LG2bOU2G2 J0 CG9G !U LGU11U23

    A 88oe 'flJon8p p2 p1bopseie CGU pG LGGCGq 401 4JG J a.o2' .I4JG LG1GC4!OU 12 !U fiG

    bGL4oLwGucG 2GU2iiAi4A 12 pG 29W6 401 1UC169262 uq 9C1G92G2 IU LGIflLU2 qflu fiG

    fiG CpSUäG !2 boewAc 01 UG6g.iAG JJJG q949 qo UOA LG1GC. fiG pAbofiee!2 14J9 fiG

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    401 .PG däeq 1G.flLU WGG2flLG2 GIG 91W02J iqGUIC9, 9CL022 1uC1Gg202 uq qGCLGG2G2

    fiG G2.l!W9.G2 GIG M!.flJ!U M0 auqq GLLOL2 04 G9C 0fliGL Guq fiG bo!u G2IW9G2

    LGJnLu enaaGa 21!äpfA WOLG 26U2U:iALA 10 boiw Cp9UäG2 fJ9U .fO uGägfIAG 0UG2 Dfl

    bo2iWe cpGuäGe !U LG4flLu jG ,J 3802 boiu. G24!W24G2 OU CflLLGUJ CpGUäG2 !U WGLKG.1

    bGL4oLwGucG qrlLiUä fiG J 3802 LG2flG I9LdGIA p.0w IUCLGS2Gq LG2b0U2!AGUG22 0

    JJJG G9IgLA uq 0Ufl2 LG2flI2 2n6aG2 fJ9 fiG IUCLGG2Gq 26U2!.flA A 04 bA o

    eiäuipcgu 92AWWGUG2 !u cowbGu29iou L62b0u2G2 qnLiuä fiG J 3802

    GCLG92G2 !U 1GflLU (vLcnw UGäGIIAG) MG 4Uq I!UIG GMGUCG 04 GCOUOWICGIIA

    cp9uaGe lu IGnLU o q14461 GMGGU IUCLG92GG lu 1G11LU (V164r11u bo2iiAe) uq

    uq 02262 IU COIr1WU 5 04 9PI2 2 uq JJ.JG2G LGaLG22!0u2 9110M fiG elobG 0U .I4JG

    MG GxbIoLG MGflJG1 cowbGu29!ou LGabouq2 ql44GLGUfGA o bGL4oLwsucG ag!U2

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