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(1)

AN ECONOMIC ANALYSIS OF

INTERREGIONAL REPERCUSSION

EFFECTS*

by TAKEOIHARA

∬αgαぴαび花∠むeγぶよ才y,ノ叩α乃

Abstract

Thet)rimary purpose ofthis paperis to examin6′theindilSt;ial

StruCture Of Shikoku region,Whichis geographicallyisolated from

Other regions,but economically high1yinterrelated withthemin

Japan岬 Shikoku’sforemost economic problem so far has been to

Create alarge number of jobs and to r・aise thelevelofincome re−

Ceived byits residents,Since per・Capitaincomes have been some;

Whatbelow thosefoundin mostother regionsT Particularly,i甲re一

云entyear・S,thisincomegqphasbeenwidespreading

In order to take offfrom the continuinglowerlevelof占conomic

activitiesin Shikoku region,We first clar・ify the crucialbarriers t6

economic growth with which the Shikoku economyis now confront−

ing.・We,then,eValuate the r・eCent grOWth performance,Since fu−

ture economic expansion builds on past trends,Ceteris paribus.

Next,We preSent SOme COnCeptualadvancesininterregionalinput−

outputanalysis・Particular・1your

kinds ofmatrix multipliers(i.e..,∂Xl/∂占and∂X/∂F2),んhich show

the changesin thelevelofoutput producedin Shikoku region(i.e.,

Xl)induced by changesin the finaldemand vectorsin not only

Shikokuregion(i.e.,Fl)bu

using data from the1975&1965interregionalinput−Output tables,

we offer quantitative estimates of those multipliers,and finムIly eval−

uate theinterregionalreper・CuSSion effectsfor the region under

Study一.

*This paper was or・iginally prepared for and r・ead at the Second Tsukuba

Conference on World RegionalDevelopment and Planning,held at the′Uni

versity of Tsukuba,AugustlO−14,1981

(2)

香川大学経済学部 研究年報 21

一J夕4−

J夕β2

An Economic Analysis、Of

InterregionalRepercussion Effects

1・IndustrialStructure ofthe Shikoku RegionalEconomies

2・Growth and Changein the Shikoku Regional,Economies

3・Economic Analysis ofInterr・egionalRepercussion EfEQCtS

4..Concluding Remarks

1.IndustrialStructure of the Shikoku RegionaiEconomies

The regionalclassification usedfor1975interr・egionalinput・Output

table ofJapanis based on a partition ofthe countryinto nin畠 re−

gions小 Figurelshows the names of these r・egions together with

the name$Ofurban and ruralprefectur・eS.A briefoutline ofeach

regionaleconomyisgivenin Tablel.From this table,it can be

seenthat about65% oftheJapane芦enOWliveiムthe Kanto,Kinki,

and Chubu regions andtheproducts ofthese r・egions amountto70%

Of the grossnationalproduct.Furthermore ther・eis everylikelihood

thatthese shares willbe maintained or evenincreasedin the near

hlture.

In contrast to these populous regions,the rest of the country

exhibits many of the char・aCteristics common to economically under−

developed regions that are stagnant at alower・Stage Ofdevelopment.

Among them,We focus our・atte.ntion on Shikoknregion so as to

COnSider the reason whyitleads to differing rate of economic

growth.

The data of Table2 show that Shikoknis anislandwith an area

of18,798square kilometers,aCCOunting for5.0% of the totalland

area ofJapan岬It also turns out that only3p6% of theJapanese

(3)

AN ECONOMIC ANALYSIS OF IWTERREGIONAL

REPERCUSSION EFFECTS*

ーJ95−

Fi如el… Regionalclassificatiohdsedfor1975interregionalinput−Output

tables of Japan

HOKKAI㌘

TOHOKU

CHロBU

。KINKI

CHロGOKU

Note:Regionsaredividedintoprefectures asfollows:

。g

O

C10KINAWA

PrefectuTeS

Hokkaid6

Aomori,Iwate,Miyagi,Akita,

Yamagata,Fukushima

Ibar・aki,Tochigi,Gunma,Saitama,

Chiba,Tokyo,Kanagawa,Niigata,

Yamanashi,Nagano,Shizuoka

Toyama,Ishikawa,Aehi,Gifu,Mie

Fukui,Shiga,Kyoto,Osaka,Hy¢gO

Nara,Wakayama

Tottori,Shimane,Okayanla,

Hiroshima,Yamaguchi

Tokushima,Kagawa,Ehime,Kochi

Fukuoka,Saga,Nagasaki,Kumamoto,

Oita,Miyazaki,Kagoshima

Okinawa

Region

Hokkまido

Tohoku

Kant(〉

Ch缶bu

Kinki

Chngoku

Sllikoku

Kynshq

Okinawa

♂0 0

(4)

香川大学経済学部 研究年報 21

−J96−

J9 β2

live there,andits portion of.net productincomeis3.3%.Interms

Of sharein the net productincome,primaryindustry accounts for

9.6%;SeCOndar・yindustry,31.2%;and tertiaryindustr・y,59.4%.It

should be noted that the portion of the service sector has no differ−

ence between Shikoknand allJapan,but per capitaincome gap still

exists.In fact,a reSident of Shikoku received 220 thousand yen

lessincomein1978than did his nationalcounterpart. The differ・

encesin earnings accountedfor about15% of the nationalaver・age.

TablelThe Basic Structuie Of the RegionalEconomyinJapan1975

Regiona】

Ratio of Regional

PopuIation Regional

Name of

region ATea(km【)

(th:ousands) PT6ducts

Shipments Shipment学tO

ReRional Products

(100mil.yen)

(100mil.yen)

4 0 0 5 2 5 3 9 6 ︵J 6 5 ︵0 2 3 6 っ︶ ハ凸

l l 1 2 2 2 2 1

140,769(43)

18.325

202,466(62)

32,485

1,252,978(382) 187,333

397,775(121) 105,450

614.772(188) 136,226

260,843(80)

61,364

103,179(31)

27,176

285,78(i(87)

39,675

18,762(0.6)

1,621

5,338(48)

9r233(82)

41,340(369)

11,558(103)

19,605(175)

7,366(66)

4040(36)

12,417(111)

1,043(09)

Hokkaido 83,515(221)

Tohoku 66,904(177)

Kanto 70,729(187)

Chubu 29′943(79)

Kinki 31.466(83)

Chugoku 31,767(84)

Shikoku 18,798(50)

Kyushu 42,112(112)

Okinawa 2,249(0.6)

3,277,331

609.655

TOTAL 377,643 111,940

Note:The figuresin parentheses are the relative shaTeS Ofthe totalvalue

Population as of Octoberl,1975

Thefigure with *isthemeanratioofthetOtalregiona)shipmentstogross nationalproduct

Table2.IndustrialStructure ofthe Shikoku Economy

(Unit:at1975prices)

Shikokuin a11Japan

EconornlCIndicators

Shikoku A11Japan

50%

36%

37%

63%

29%

33%

33%

(855%)

377,643

115′28‘7

54,737

75′584

544,746

904,512

1.471,584・

1.513

18,798

4,183

2,029

4,773

15,587

29,559

48,120

A【ea(km■)

Population(thousands)

Emptoyment(thousands)

NetlProductIncome(100milyen)

PrimaryIndustries

SecondaryIndustries

Tertlary lndustrles

T0TAL

p。.CapitaI。。。me(1,000yen)1,293

Note:Fig=reS On PopuIation and Employmentare allfoI1979・WhiIe ri糾reS

on Net・ProductIncome are for19‘77

PerCapiaIncomeis basdd on19J78dala

Classification ofilldurtTies;s as follows:

Primary hdustries:agriculture,forestry,andfishiTtgindustries

Secondaryindustries:mining.manufacturingandconstructionindustries

Tertiaryindustries:pub)ic works,COmmerCe−and ser・Viceindustries

F唱ureS Wilh the mar・k、*■堺eludeImputedInterest

(5)

AN ECONOMIC ANALYSIS OF IⅣrERREGIONAL

REPERCUSSION EF’FECTS*

−J9アー

Table3shows the Census of manufacturingindustries ofShikokn

regionin1978。It can be seen by this table that theindustrial

structure of the Shikoku r・egionis con畠ider・ably ditTeisified,・thQugh

its relative positionintotalvalue of shipments ofJapan:is aslow

as2い7%・On aVer・age.

As a matter offact,Japaneseindustry has made continuohs ef・

for・tS tO mOdernize production systems and fascilities.Howev占r・,We

sti11face various pr・Oblems,SuCh as differencein spatialdistribu−

tion,imbalancein development betweenlarge and smallenterprises,

enヤironmentaldisr・uPtion,and/or tr・affic congestion・Particularly,

the resources pr・Oblem high1ighted throughrecent developmentsindi−

cates r・eOrganization of the entire economic structure..A$ a re−

sult,Ou王countr・yis changinginthenew directionin whichresource−

savingindustries and knowledge−Or・ientedindustries occupy pr・incipal

positions.

Theindustrialstr・uCtur・e Of Shikoku regionis somewhat different

fr6h thi?neW direction..For the regionis high1y dependent on

such r・eSOur・Ce−basedindustr・ies as Chemical& a11ied pr可ucts(the

percentage of totalvalue ofshipmentsisll.5%),Petroleum &

coalproducts(8.0%),and Non−ferrous metals & products(6.・3%).

But,the relative share of technology−basediqdustry,SayMachinery,

shows19.7%,・whichis far16ssthan 33.・5% of the correspondihg

nationalaverage..Thelocation quotients of those manufacturing

industries are shownin Table4,Which corTaborates the results of

(6)

香川大学経済学部 研究年報 21

−Jクβ−

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(7)

AN ECONOMIC ANALYSIS OF INTERREGIONAL

REPERCUSSION EFFECTS*

ーJ9クー

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(8)

香川大学経済学部 研究年報 21

−200−

J9 β2

2.Growth and Changein the Shikoku RegionalEconomies

Sincefutureeconomic expansion builds on past trends,tOeffec−

tively planfor economic growth,itis necessary to evaiuAtethe

recent growth performance ofthe region under study. Thus the

task ofthis sectionwi11be to examinebrieflythe ShikokueマOnOmy’s

gr・OWth record.

Growth rates have by no means been uniform throughout thc

COuntry.Table5showsthe differ・enCeinthe average annualr・ateS Of

gr・OWth between Shikoku and the nation as a whole.As shownin

this table,the developmentalstages for Shikoku r・egion can be

grouped roughlyinto three per・iods

Table5= Differencein the Aver・age

Rates of Growth(Real)

All Japan

Shikoku

4 カリ 4 01

7・ l⊥ 8 2

1 2 6 8 2 9 1 7 3 ﹁▲

1955∼1965

1965∼1970

1970 - 1973

1973∼1978

The first period from1955to1970is characterized by a rapid

growth era not onlyin Shikoku but alsoin therestofthecountry.

It was during this period that new industrial sites began to be con-

StruCted nearlarge Cities,and a remarkableindustrialgrowth,par・

ticularlyin the chemical,metal,and engineeringindustries,WaS also

inprocess.The second period was fr・Om1970to1973,When the

quickend pace of economic activity in Shikoku accelerated closing

of the relativeincome gap.In1965,for example,the average resi・

(9)

AN ECONOMIC ANALYSIS OFImRREGIONAL

REPERCUSSION EFFECTS*

−20ノー

nationalcounterpart,Various factorsincluding rapid national eco・

nomic expansionin1960’s acceleratedthe regionaleconomic growth.

Hence,by the early of1970’s the per capitaincomelevelhad risen

to almost90% oftheJapanese average.Table6shows this kind

oftransition briefly。But,the so・Called“oilcrisis’’whichoccurred

in the fallof1973changed considerably the domestic as well、as

internationaleconomic conditions.

Table6。Changein the Dominant EconomicIndicator・S

1965 1970

1973

1978

Population(thousands)

Shikoku

AllJapan

Shikoku as a per・Cent

of all Japan

Per Capita Income

(thousands yen)

Shil(Oke

AllJapan

Shikoku as a percent

of aiIJapan(殉

3,975 3,904 3,973 4,121

98,275 103,720 109,104 115,174

4.05

3.、77

3.62

3..57

539

963 1,171* 1,293*

669 1,100 1,329* 1,513*

80‖6

87い5

88.1

75.5

¶ote;Figures with“*’’are estimated by the New System of

NationalAccounts〃

Since our economic struCture WaS high1y dependent on overseas

sources of raw materials,this meant a sharpdeteriorationin terms

oftrade..As such,the r・egionaleconomy became even worseand

noticeablyless stable thanit had beenin the1960’s.

In fact,

Shikoku,s rate of.growth remarkably slowed downin thelate of

1970’s,Which was presumably due to the harsh recession of ship

buildingindustries.Asa result,the relativeincome gap has been

(10)

香川大学経済学部 研究年報 21

−202−

J9 β2

OPening again during the third period,Started fromthe year of

19730nWards.

Table7shows the changein the value of manufacturing ship−

ments during1965through1978.Due to the declinein the growth

rate,the various problems came to unravelthemselves.The 丘rst

Ofthemis theimbalancein development betweenlarge and small

enterprises.The second problemis thelack ofintersectoral

linkages withinthe region under study.The thir・d problemis the

fact that such underdeveloped region as Shikokulag behindin pro−

Table7”Changein the Value of Manufacturing Shipments

(Unit:at1975prices)

1965

1970

1973

1978

Value of shipments

(100mil..yen)

Shikoke

AllJapan

Relative shares(%)

12,594

26,844

36,209

41,950

496,302 1,013,064 1,337,552 1,541,518

2い54

2=65

2い71

2..72

NumberIOf persons engaged

(thousands)

Shikoku

288

346

366

339

9,941

11,680

11,961

10,890

2.90

2。.96

3.06

3い11

AllJapan

Relative shares(%)

Value of shipments per

per・SOn(thousands yen)

Shikoku

A11Japan

Relative shares(%)

4,373

7,758

9,893

12,375

5,003

8,673

11,183

14,155

87巾4

89,.5

88り5

87い4

vidingwith soundinfra・StruCtureS.

The fourth problem is the

needfor adjustmentsin employment,par・ticular・1y providing carefor

an aging populationin thefuture小 Thelast but notleast problem

(11)

AN ECONOMIC ANA⊥YSIS OFINTERREGIONAL

REPERCUSSION EFFECrS*

−203−

L rate,We Can nOlonger expect the traditionarylarge naturalincre−

mentsin tax revenues,nOr Sufficient amounts of subsidy for the

sake ofrelatively underdeveloped region$inJapan. h short,We

arejust facing the time oftransition from rapid growth to pro−

longed slower growth,and hence obliged to consider how to main−

(12)

一204一

香川大学経済学部 研究年報 21

J9β2

3.Economic Analysis of’InterregionalRepercussion Effects

Since multiplierimpacts areimportant outputs expected from

region−Oriented econornic development program,We Shal1consider

theintei・seCtOralmultipliersfor deむelopmentalplamingpolicy.′Fo

COnVenience we assume an etonomic畠ystem which consists of only

two regions(i.e.,Shikoku as regionland the rest ofthe country

as region2,reSpeCtively)u Then,theinterregionalinput coe抗cient

matrix can be written asfo1lows:

A=〔芸:こ芸;;〕

where

AllA12are Submatrices of coefficients showing theinput require−

ments of the first regiozl’s productsin regionland region2,

respectively.Simi1areXplanations can be given to Az.and A22.

If X denote the column vector of outputs producedin regionl,

X2denote the column vector ofoutputs producedin region2,andif

書and F;denote the column vector・S Of finaldemandsin regionl

and region2,reSpeCtively,then the following demand・Supply equilib−

rium equations hoid:

(1) (2) (3) (4) (5)

Ⅹl=A11Ⅹl十A12Ⅹ2+Fl

ズ2=A21ズ1+A22Ⅹ2十F2

Now,looking at the equation(1)ofthe first region,We have:

兄=(トAll):1ノ4.2Ⅹ2+(トAll) ̄1書

Here,On putting

(J一月11) ̄1=β11

We can rewrite the above equation(3)asfo1lows:

ズ1=β11ノ412ズ2+β11F.

Note that the term,Bl,may be called the‘写nternalmatrix multi・

plier’’as to regionl,Since・it canbe obtained simply by taking

(13)

AN ECONOMIC ANALYSIS OF INTERREGIONAL

REPERCUSSION EFFECTS*

一2〝5−

Incidentally,ifwe take∂Xl/∂X2in the same equation(5ゝwe have

=β11月12

(6)

which represents the changein totaloutputin regionlinducedby

the changein totaloutputin region2.Since this term,B11A12,is

also a usefuleconomic measur・ement aS a partialmultiplier,We may

ca11it the“coefficient matr・ix ofinducementto production’’of region

2 on region 1.

Furthermore,in order to take accountOftheinterregionalreper−

cussion effectsin the context of two−region economic system,We

shallderive twoimportant multipliers:∂Xl/∂Fland∂Xl/∂F2・

Namely,they show the changesin thelevelofoutput producedin

regionlindtlCed by changesin thefinaldemand vectorsin region

landregion2,reSpeCtively・Usingthe“internalmatrixmultipliβr”

for region2,i.e.,B22=(トA22) ̄ユ,We Can first rewrite the equか

tion(2)as follows:

ズ2=β22ノ421ズ1+β22ア2

(7)

Next,ifwe substitute this relation(7)for the Xzofthe right・hand

side ofequation(5),thenit becomes:

ズ1=βH.412(月22月21Ⅹ1十β22F2)+風1Fl

(8)

Furtheimore,rearranging this equation(8)yie14sthefo1lowing one‥

Ⅹl=(J−β‖月12β22A21) ̄1β11Fl

十(卜β11月12β22A21) ̄1月HA12β22F2

(9)

Therefore,if we f)ut

り一月‖月12β22月21) ̄1=打….

then,the above equation(9)can be expressed simply as

ズ1=Ⅳ…1風1Fl+片…l風1A.2β22F2

Note that the term,K:1,may be ca11ed the“externalmatrix multi−

plier’’for regionl.

(14)

香川大学経済学部 研究年報 21

−206−

J9 β2

and F2in equation(1q),We Can Obtainthe aforementioned mhltipliers

as follows:

=打乙β11

=沼牒11月12β22

Moreover,if we express

招牒11=βヱ

(1㊥

we can findinteresting propertiesin・it.For expression仏心can be

convertedinthefo1lowing way:

髭=Å■ヱβ11=(トβ‖月12β22月21) ̄tり一月l.)▲ ̄l

=i(J一月.1)(JTβ‖A12β22月21)‡ ̄1

={ト(All+月12β22ノ421)を ̄1

Thus,if we define anew

All十月12月22月2.=月員

・16・

then,B乙is readily found to be(I−AA).1

Let us consider the meaning of theleft・hand side of the above

definition(16),aCCOrding to the economic causalprocess.The pro−

duction activityin regionl,tO beginwith,needsitsowngoods・input

(All)。At the same time,regionlalso needs a certain amount of

the second region−gOOds−input(A21)to support.its production.And

this supply for r・egionlfrom region2induces the effect ofproduc−

tion activity on region2(B22)。Torealizethisproductionactivity,

region2needsin turn a certain amount of the first region・gOOds−

input(A12).Thus,We Can find that theinput coefficient to region

leventually becomes augmented by A12B22A21・

In this sense,We may CallAヱin expressionG6)the“augmented

input coefficient.’’Andifwe use this concept,Bヱin equation(15)

may be given a newinterpretation.Namely,it shows theultimately

totaleffect of repercussions,in which the above−defined‘もugmented

(15)

AN ECONOMIC ANALYSIS OF INTERREGIONAL

REPERCUSSION EFFECTS*

ー207−

input coefficient”(Aヱ)plays the role of.interregionalrepercussion

factor.

Now,1et usgive someinterpretations to our calculated results

for those matrix multipliers小IndustrialclassificAtion usedin this

sectionis shownin Table8,and our calculated results are tabu−

latedin Table9throughTable15.

First ofali,take note ofthe‘1nternalmatrix multiplier” of

Shikoku region,Which was defind by epuation(4)l・Asshownbythe

figur・eSin Table9,thoseindustrialsectors whichinduce relatively

large repercussion effects withinther・egionar・ePrimチrynOnferrous

metalmanufacturing,Pulp,paper&paper products,and Chemicals・

In addition,theindustr・ialsectors whose sensitivity6fdisper−

Sion(i.e.,the r・OW Sumin Table9)shows relatively high value

ar・e Agr・idultute,forestry&fisheries,Coal,lignite & mining,and

Finance,realestate&other services.This means that thosein−

dustries arelikely to be much affected by an expansion inany sys−

teniofindustr・ies of Shikoku region.It should be noted,however,

that the power ofdispersion(i.eル,the column sumin Table9)of

thoseindustr・ies does not show a highvalue atal1.

Table8。IndustrialClassification used forInput・・Output Analysis

l.Agr・icultur・e,forestr・y&fisherjes

2”Coal,1ignite &mining

3‖ Food/andkindredproducts

4.Textile products

5。Lumber& wood products

6.Pulp,paper& paper products

7… Leather,1eather products&rIubber products

8..Chemicals

9.Petroleum& coalprOducts

lOい Ceramic,Clay&stone products

(16)

ブ タ 82

香川大学経済学部 研究年報 21

−20β−

11… Pr・imaryiron&steelmanufacturIing

12.Primary non−ferTOuS metalmanufacturing

13一.Metalpr・0血cts

14.Machinery(not electric)

15… Electr・ic machiner・y

16。Tr・anSpOrtation equipment

17… PT・eCision】maChiner・y

18.Misc百11去neous manufacturing

19… Construction

20“Elect^ricity,gaS,Water・&sanitary ser’Vices

21..Wholesale&retailtrade

22。Fihance,realestate&other serIVice

23nTransporItation&war・ehousing

24.Unallocated

Note:Though“Coal&1ignite”was originallyseparatedfr’Om

“Mining’,in officiallypublishedtable(composedof25・

industry−gr・Oup),WehaYe COnSOlidatedthosetwosector’S

into one,denoted by2,inthis table

(17)

AN ECONOMIC ANALYSIS OF INTERREGIONAL

REPERCUSSION EFFECTS*

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. ︵sト讐︶ .〇

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N寸トgOOd

黒革讐さd

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ご○屈む出n琶曇‘S

︻卜の000 nト¢トtO 〇 .〇 .〇

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トーOtO〇.〇 −の010〇.〇 .〇 .〇 .〇 .〇

⊥=可−こ=︵=q︶‘1

むJ︺hO︼h遥d三コ三宮一とd∑l雲hヱu−

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〇 Q ロ ○ e O

○り¢の茎.〇 のの∞のN〇.〇

−¢廿の寸〇.〇 ト○¢t︵古 トーかの∞○ の∽001サ.叫 ののー00〇.〇 トかNNNO.〇 宍〓?g.〇 −NON暑.〇 NののOg.〇 の○か00〇.〇 ??甲〓岩.〇 ︻︻∽ト○?○ 卜Qの〓古.Q l寸lNtOd ののNO0〇.〇 ⅦZMのM〇.〇 の寸トの︵古.〇 NNの寸閑〇.〇 MO¢のN〇.〇 ¢トののtO ○中り﹁只

鴫︼ ト∞トトMO トN¢M寸l ト○廿¢∀〇.〇 . NOトの︵さ.〇 Cトト○︵古.〇 N¢∽N︵古.〇 C¢のの︵古.〇 の卜ののS〇.〇 トサト00〇.〇 か寸の寸の?○ のの○トt〇.〇 ¢廿MM︵古.〇 l︻寸NS.〇 ののn巧言.〇

父芯空言d

¢Nの0︵古.〇 のトのめN〇.− トか¢N︵古.〇 NかQCN?Q ¢¢卜廿宍﹁O . Mりトの︵さ ののかOg 寸ののNの〇.〇 〇 .〇 .〇

の¢のト00d トののN0〇.〇 NトのサーOd O¢寸∀廿〇.〇

ト一

寸のNOM〇.〇 ト廿0ロマ?○ ¢サ寸†ト?○ 寸M︻のマ〇.〇 寸¢寸めl〇.〇 サCOの○?○ めト∽M0〇.〇 の¢l00?○ ¢S∽Nt?○ のりの00〇.◇ ○のの¢0〇.〇 卜の○∀0〇.〇 の寸の一〇〇.〇 鵬の∽00〇.〇 かN門岬Q〇.〇 の○めト0〇.〇 のN∀Nl?0 ∽りN00〇.〇 のトト廿l〇.〇 り∞∞廿∞〇.叫 ∞寸uの0〇.〇 ののNトt〇.〇 仇寸NトQ〇.〇

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弼 d

C00Nの○ の¢のど0〇.◇ ¢ト︻の0〇.〇 トトの00?○ 芝;〓冨.〇

望品聖書二

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N巧めNl0 01¢の00 のl トN¢OM0 1∀の︻ト○ の寸MNの〇.〇 . の¢○︻0〇.〇

の寸寸t0〇.〇 ¢のの︻NO のlののlO Nや†00Q t¢tの00 M†トN−〇.〇 ∽lト○の〇.〇 トかのNOrO ののN¢l?○ lONCN?○

O Q

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喝〓lO?0

〇 .〇 .〇 .〇 〇 .〇

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¢NNO00d

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 ̄Odぐつ■勺一山つくCト・0⊃くゎ」=〉▼一Nくつ■TuつqDF−00⊂n⊂.一ぐOM寸

(18)

香川大学経済学部 研究年報 21

ゆトの00〇.− 1めN一〇〇.〇 ¢○の00〇.〇 NN000〇.〇 ¢のサ00〇.〇 寸N︻00〇.〇 のの000〇.〇 Nめ000〇.q 廿NNt0〇.〇 トめtO0〇.〇 こ巾 Nト000〇.〇 ト寸N00〇.〇 かtN00〇.〇 NN の1−00〇.〇 ∽OM00〇.〇 ¢︻寸00〇.〇 ¢ト︻00〇.〇 かON00〇.〇 か1000〇.〇 りの000〇.〇 m0000〇.〇 Mめl00?○ の叩000?O NOl00?○ ∽∽000?○ ︵sト巴︶

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・・・.−︻・、.け こ 、“﹂二.、 −

弓膏虚ヨ竜三∽貨苧j∵薫d王n∑X言付∑−雲ト¢︸舛国

.〇

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〇N のどN00〇.〇 卜0∀00〇.〇 のかの00〇.〇 ∀のN00〇.〇 C廿寸00〇.〇 〇寸000?○ の∀t00?○ 寸0000〇.〇 〇ON00〇.〇 寸¢000〇.〇 . トN︻000 票岩9買 .〇

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Ou¢00〇.〇 の○¢︻0〇.〇 の〓00?○

0ttOOO

の卜廿000 寸の000〇.〇 一寸︻00〇.〇 の¢000?O

. N寸N−0〇.〇 Nのの00〇.〇 ののめ00〇.O どの000〇.〇 〇NM00〇.〇 . ♪− 寸のの000 0¢寸000 ¢のNO0〇.〇 りのNl00 M¢0000 Cゆt00〇.〇 0¢N00〇.〇 トm¢00?0 lN000〇.〇 の¢の00〇.〇 廿∀N︻0〇.〇 0¢N00〇.〇 寸︻寸00?0 ののの000 トマ0000 N∀l00?○ .〇 〇ト000〇.〇 のの100〇.〇 の0000〇.〇 Nの000〇.〇

NN0000﹂

寸のN00?O トのt00〇.〇 のの廿00?○ 埠∞N00〇.〇 ¢∞t00?○

、e .〇

〇 .〇 .〇

○−000〇.O どのNN00﹂ トNの00〇.〇 のの000〇.〇 のト000?○ やのの00〇.〇 〇の寸00〇.〇 トート000 のト寸000 NC000〇.〇 のの000?O 一Ct00〇.〇 ︻の000?〇 の¢000?○ のl000?○ 卜の000〇.〇 N0000〇.〇 サ〓00〇.〇 のt000〇.〇 のNN00〇.〇 ∽∀l000 ○の寸000 のH mC︻00〇.〇 寸のl00〇.〇 . tのOl00 のの廿000 〇N000〇.〇 寸のトN0〇.〇 のON一〇〇.〇 寸か000〇.〇 . ∀SN00〇.〇 MトmO0〇.〇 のt¢00〇.〇 MトN00〇.〇 の¢寸00〇.〇 のM000?O

NNN000﹂

MO000〇.〇 のu−00〇.〇 咄寸000〇.〇 又〓三岩.〇 lマ000〇.〇 C¢lM00 ¢の∀000 .〇

.〇

卜一〇〇〇〇.〇 的の000〇.〇 N0000〇.〇 かの一〇〇?0 0N000〇.〇 叫の000?0 1寸000?○ ︻NN00?○ トト000〇.〇 聖黒岩るOd 寸¢の00〇.〇 寸㊦ト00〇.〇 C︻000?○ のサ¢00〇.〇 のt¢00〇.叫 のON00?O Nの︻00〇.〇 Nト∀00〇.〇 t¢¢00〇.〇 〇¢N00〇.〇 t卜∽︻0〇.〇 寸ト000〇.〇 ︻C寸00〇.〇 寸か︻00〇.〇 寸のt︷◇Od Cサ000?○ C∽の00〇.〇 ト︻ ttl00?○ の¢︻00〇.〇 NかC00〇.〇 . l︻000〇.叫 卜ON00〇.〇 か¢000?0 トかN00〇.〇 ¢∀000〇.〇 の○廿N0〇.〇 かの廿00〇.〇 . 寸㊦−00〇.〇 l¢の00〇.〇 トマト00〇.〇 卜¢N00〇.〇 −N寸00〇.〇 . Nm0000 ZZtO00 〇 .〇 〇 .〇 .〇

のONO0〇.O Zの0の○?− 一のN00〇.〇 NN◇l0〇.〇 C寸か00〇.〇 t00t00 のの0000 璽甲〓岩岩.〇 〇のNl0〇.〇 の卜000〇.〇 の¢000〇.〇 の一門000d 山の000〇.〇 ¢のl00〇.〇 のトロ00〇.〇 〇寸N00?○ の0000〇.〇 ○昭一00?○ . の卜N000﹂ ののー00〇.〇 ごご岩るOd トの000〇.〇 ¢○か一〇〇.¢ のトの00〇.〇 トのNOeO.つ トSNN0〇.〇 の卜t︻0〇.〇 ㊦〓00〇.〇 Nのか00?○ の¢N00〇.〇 CN£00〇.〇 〇〓00〇.〇 〇トーN0〇.〇 寸めm00〇.〇 ¢︻ のー∀00〇.〇 のN∽00?○ のかSt0〇.〇 トト寸00?○ . ¢¢め000 寸¢0000 のl0000 寸ON000 一寸000〇.〇 Cかサ00C.〇 トのの00〇.〇 l廿の00〇.〇 ∀OSO0〇.〇 ののN00〇.〇 .〇

.〇 〇

¢の000〇.〇 〇寸寸00〇.叫 かト寸00〇.〇

かーの00〇.〇 Cの¢000 ¢トSOOO め∽0000 の甲〓X岩 寸の寸◇0〇.〇 Cか¢N0〇.〇 の0100?O サ¢︻00〇.〇 NNの00〇.〇 ∞○のtO?O のC000〇.〇 ¢ト○︻0〇.〇 NNMl0〇.〇

のt ¢の000〇.〇 一の一〇〇〇.O N寸の00〇.〇 N寸l00〇.〇 トCtOO〇.〇 のl000?O N卜000?O N0000〇.〇 SNN00〇.〇 の︻0000d M¢000〇.O CM000〇.〇 . ¢のS000 トtt000 廿の000?○ トtの000 のりC000 C¢0000 の○巾000 ○−の00〇.﹁ 寸SN00?○ IS000?○ め0トC0〇.O の○廿00〇.〇 ¢S〓0〇.〇 ののの00〇.〇 NのN00〇.〇 . ¢の∽の0〇.〇

CNC000

卜00000 ︻t000〇.〇 ∴

.〇 〇

dd

;dd

N のやN00〇.〇 ののt00〇.〇 ¢の000〇.〇 トのNN0〇.〇 のかN00〇.〇 寸叫 めト000〇.〇 のON00〇.〇 寸のNOO?O NNtO0〇.〇 トのl00〇.〇 Nt000?○ のの000〇.〇 N0000〇.〇 ∞¢000〇.〇 のM000〇.〇 のか000?○ の¢000〇.O M00N00〇.〇 〇Nt00〇.〇 寸寸000〇.〇 CNか00〇.〇 〇〇寸00〇.〇 トN000〇.〇 ¢のN00〇.〇 めの000〇.〇 tOt00〇.〇 め寸000〇.〇 の○卜00〇.一 ¢の一〇〇〇.〇 の○の000 寸¢0000 のN卜00?○ 甘かON00 の寸N000 一喝か00〇.〇 のの寸N0〇.〇 0卜000〇.〇 卜ののl00﹂ ∞トl000 のトN000 の一〇〇〇〇.〇 ののl00〇.〇 かC000?○ のか寸00〇.〇 寸¢の00〇.〇 のかめ00?○ 寸研∀00〇.〇 寸廿N00〇.〇 (=〉く>

dd

寸∀−00〇.〇 トト000〇.O Nの一C0〇.〇 のどN00〇.〇 Cl −の000?0 0トt00〇.〇 ¢のの000d のNl00〇.〇 寸サー00〇.〇 のt000〇.〇 寸¢000〇.〇 N0000〇.〇 トl︻00〇.〇 のN000〇.O Nu000〇.〇 のNO00〇.〇 の¢t00〇.〇 ト寸000〇.〇 ¢∀000〇.〇 CO¢00〇.〇 のN010〇.〇 の一〇〇〇〇d ¢卜廿00?す のの000?○ ¢サー00〇.〇 トNN00〇.〇 N卜寸00〇.〇

lか¢00〇.− 1のl00〇. のか∀00〇. ¢の000〇. めかS00〇.〇 lの¢C0〇.〇 CN門00〇.〇 ∞∞めtO〇.〇 のト一N0〇.〇 −の000〇.− −ON00〇.〇 ¶ト000〇.〇 ののの00?○ ∀0000〇.〇 〓岩9買。0 の∀000〇.〇 トのS00?○ トトの00?○ tのの00?○ lのめ00?O ト¢N000d

一Nの寸のくD[、のの(=〉一ぐJfつ一寸lnぺ○†、○〇の⊂〉▼【Nのサ 1NM∀のく○トqOの⊂〉【Nの寸のくDト・∝=♪く>−りNロつ『‘ 一■→−−{一疇▼一一一一一小=NくNぐlO】 【■・一一【−一・{▼一t→・{▼一へ=NぐヾnいN

(19)

AN ECONOMIC ANALYSIS OF INTERREGIONAL

REPERCUSSION EFFECTS*

NCONNO かのりNtO ト寸0110 かgO¢NO

−−ニq√■k=定よく長ふ−−

︵∽ト巴︶h遥d芸n≡火lとd≡hO−Sゴnのむポp彗扇−≡tdU

○のNの0〇.〇 ト∽かど0〇.〇 lZ NトめトC〇.〇 ¢○のlS〇.〇 〇のか一−−d Mm−寸廿〇.〇 〇の廿のl〇.〇 ¢¢∀寸0〇.〇 のN埠N0〇.〇 ∀¢N00〇.〇 CトN∀り〇.〇 ¢0のuO〇.〇 りOn∞0〇.〇 卜Nのの0〇.〇 〇Nの10〇.〇 のNN¢0〇.〇 ト∀¢00〇.〇 ののMOO?○ N¢め00〇.〇 のNの︻0〇.〇 N蛤寸一〇〇d ののの00〇.〇 MNトトl〇.〇 〇の¢00〇.〇 の¢廿M0〇.〇 〇寸めM0〇.〇 ∀NのNl〇.〇 ¢NのどN〇.︻ かNのlSt.〇 トM∞のl〇.〇 ののののー〇.〇 . の00の0〇.〇 ¢ ¢寸寸0¢O﹂ の∞めト0〇.〇 卜∀サ00〇.〇 の寸M寸0〇.〇 トののN0〇.〇 ¢tのl0〇.〇 . ののサー〇〇 muMOq¢ かの¢0つ○ トトのー00

.〇 .〇 .〇 .〇 .〇

NトトトNN.一 tのNO0〇.〇 lの¢OC〇.O N¢l∀0〇.〇 NのNt0〇.〇 〇∀寸の0〇.〇 ト○のtゆ〇.〇 トト○卜0〇.〇 の トトトのの〇.〇 〇寸のトl〇.〇 ¢○め寸−〇.叫 ∀のトMN〇.〇 のNNN0〇.〇 MOの00〇.O NOOのl〇.O lトNCtO.〇 tuトMO〇.〇 Sの卜t0〇.〇 ト∞NtO〇.〇 〇のト00?0 01のN0〇.〇 ¢NN廿N1.〇 のかのM0〇.〇 の寸N00〇.〇 の寸卜の00d 卜寸めM0〇.〇 のの︻︻0〇.〇 Sトーl0〇.〇 . ∽MmM00

めl∽寸ト○ Nのト00〇.〇 竺崇㌫岩る.O ¢NSt0〇.〇 〓〓昌−〇.〇 のMのの○?0 Cののll〇.〇 NのN00〇.〇 N卜lめ0〇.〇 寸どのu0〇.〇 一撃讐E岩.〇

. の○∀やN︻ ︻NのuNO Sトトの00 ¢かSのl︻ 0N ∽トりNm〇.〇 寸めt∀m〇.〇 どのトNNO のNめOMO .〇

Nの○のm〇.〇 tC廿のの〇.〇 寸のN寸の〇.〇 寸lO寸廿〇.〇 の¢のトl〇.〇 NHのN0〇.一 ¢り0の0〇.〇 ト¢N00〇.〇 ¢︻Nのl〇.〇 Mtl¢−〇.一 ∽○かNl〇.〇 NSMN0〇.〇

ト寸lC︻〇.〇 d 寸tかm0〇.〇 か閑¢00〇.〇 CかMt0〇.〇 tNのMOO.〇 りのMり0〇.e トNの00〇.〇 〇の0か0〇.〇 N¢一〇〇〇.〇 寸寸のの0〇.〇 のの¢Z0〇.〇 寸のt¢︻〇.〇 COりMN〇.〇 悪道空言.〇 のNON0〇.〇 〇N¢寸○?○ −00のの〇.〇 めのの¢0〇.〇 NNN00〇.〇 ¢のト廿0〇.O MO00M1〇.〇 寸廿ト∞00〇.〇 uか¢廿0〇.〇 N寸¢寸0〇.〇 廿のトOM〇.O

¢一 のONかど〇.〇 め¢のトN〇.〇 . の∽トの00 寸︻屯†︻〇 ¢め00tO のOMOの○ Nト∽トの○ u¢CMのO

.〇 〇 .〇 .〇 .〇

のの¢00〇.〇 瓜OtNO?0 00のtN〇.〇 トuのCN〇.O CNN00〇.〇 か∞∽門l廿.一 ののトり∽〇.〇 uCのt0〇.〇 のののの0〇.〇 ∽Cの¢NO.〇 ¢のN¢寸〇.〇 寸tCt00 ○トON00 ∞Sトト○?○ ¢ののー0〇.〇 . ONの寸l〇.〇 カー Mり¢¢∀〇.〇 ¢NNのの〇.〇 寸lの廿∀﹁O tOかのN〇.〇 の¢ト寸の〇.〇 ∈∽ト∽0〇.〇

〇廿¢のM〇.〇 の¢¢N00 のかの000 ︻M∀¢0〇.〇 ∞廿Ot0〇.〇 MN仇¢00d NN寸M0〇.〇 −N①の0〇.O 一MC00〇.〇 一寸ののN〇.− り寸トN0〇.〇 の¢¢のN〇.〇 のl︷めM〇.〇 ト¢llOrO めのlのNO.〇 ○−卜NC〇.〇

ののN000 ののCNlO ∞ト∽MO〇.〇 . の卜○∽のO Nの∽トtO トトト00〇.〇 NOCNゆ?○ トトの〓〇.〇 . の¢SN00 卜00MlO .〇

.〇

〇 .〇 .〇 .〇 .〇

.NののM0〇.O

Zpのトl〇.〇 0寸¢の的○ NトOul0 NかN000 N︻かのlO Nかめの00 ーC寸t00 NOの00ロ のトトl00 マの一寸00 N喝○トロウ

寸St∽00 ¢のN¢¢C のののの寸○ 00ltのト○ tN∀○寸○ N∀寸OCO 〓〓ニュ主二︼ 寸0¢¢t〇.〇 000C0〇.〇 のC寸の00d mの廿N0〇.〇 lのサの0〇.〇 トトのど0〇.〇 ∽M寸寸0〇.〇 ○−Cト0〇.〇 ト︻ t①Nのめ〇.〇 の廿トーm〇.〇 〇一t¢t〇.O CのOCO〇.〇 のトトの0〇.O nNの¢N〇.叫 −○めか0〇.〇 か∀トー0〇.〇 廿寸○の0〇.〇 ∀のlN0〇.〇 めN¢のN〇.〇 Nト¢トtO ︻トのN00 ¢gののtO 〓品lの○ .〇 .〇 .O d

〇 〇

C¢SのN〇.〇 のトのt0〇.〇 〇サ○卜0〇.〇 N廿のN0〇.〇 トめl−め〇.一 のトlの0〇.〇 のM∞¢0〇.〇 〇のlMの〇.〇 M¢寸00〇.〇 のN010〇.〇 ︻ZN一〇〇.〇 ∀∽りSO00 〇M∞t0〇.〇 ○¢︻の0〇.〇 ののM†0〇.〇 ¢t NNのCの〇.〇 〇¢かON〇.〇 ︻トののN1.〇 寸t一のM〇.〇 め︻○のt〇.〇

lC鳩MO〇.〇 C∽のの00 S¢○∀00 tNトの0〇.〇 e廿の喝0〇.〇 −卜○の0〇.〇 かのののt〇.叫 のめのー0〇.〇 Nの○の0〇.〇 〇トON0〇.O ¢NO∞0〇.〇 ト㊥の¢C〇.〇 ¢トト∽り〇.〇 のlのNN〇.〇 卜のーNの〇.〇

一のNめ00 卜ON000 lトMN0〇.〇 ﹀ トl¢寸○?○ ¢○のN0〇.〇 の¢t¢00 一∞のl00 1¢廿N︻〇 廿Ntの00 0 0 く=〉く=

idd

く〉く>〈>く> C NH∀Ⅶ0〇.〇 ︻廿0∀○?○ のののN0〇.〇 M寸¢00〇.〇 のト廿C0〇.〇 〇∞トか0〇.〇 ¢NONl〇.〇 かNN00?○ め寸Nのl〇.〇 NN£寸0〇.〇 ¢OtN0〇.〇 NNめN¢〇.叫 ○︻Nの0〇.〇 ト○ののM寸.〇 M¢t01〇.〇 のN∞の︻〇.〇 lめめー0〇.〇 卜CCl0〇.〇 tのSNN〇.〇 の一 ONSNM〇.〇 ト叩かOn〇.O N¢¢l卜〇.〇 Mのの○寸〇.〇 lNのN︻〇.〇 MのOC0〇.〇 〇めNサ0〇.〇 ¢の100〇.〇 . CNのMNO.〇 のN¢u︻〇.〇 卜○の寸Ot.〇 tのltC〇.〇 卜Nめのt〇.〇 〇ZかN0〇.〇 のの¢¢C〇.〇 ¢00−0〇.〇 ¢∀Ou0〇.〇 ト†トのM〇.1 ト∞Qの0〇.O NどのM0〇.〇 の0トNCO.〇 Nqlの0〇.O MのmC0〇.〇 ¢のN¢0〇.〇 のの寸¢0〇.〇 トOS000 Nの○のtO 〇 .〇

idd

N OMのt0〇.〇 Mの卜ON〇.叫 一ト¢寸0〇.〇 マOt∀0?○ ∀∞¢00〇.〇 のサNuOO.〇 . l¢のり−〇.〇 ¢の¢の0〇.〇 ののNNO?○ の︻の00〇.〇 て聖二〓岩.〇 Nめかの0〇.〇 りN︻¢0〇.〇 寸∞0∀0〇.〇 Sサの︻○?○ か∞のt0〇.〇 寸−OM0〇.〇 〇Nのll〇.〇 NOの00〇.〇 寸の〓0〇.〇 ○のめM0〇.〇 サー ¢qN¢m〇.〇 寸トのの寸〇.〇 . ∞Nりめマ〇.1 1M∀寸0〇.〇 ∽の¢のt〇.〇 ∞一〇NC〇.〇 MN¢l0〇.〇 の〓ト0〇.〇 サの¢CO?○ の00¢00 COのの00 り一Mt0〇.〇 ∞のゆM0〇.〇 父芸t0〇.〇 ¢NトCt〇.〇 寸¢サ寸の〇.〇 の寸¢¢¢〇.〇 ¢トlかl〇.〇 tNの∞l〇.〇 .〇

〇 .〇

dd

dd

ト一〇〇の〇.〇 ¢N∞uN〇.〇 〇めト¢0〇.〇 ののOCO〇.〇 〇のCN0〇.〇 サ〓00¢.〇 ∀00t;.〇 りのめ00〇.〇 −のlか0〇.〇 N¢∀一〇〇.〇 〇¢ト00〇.〇 ∀∀の00?○ ︻か寸N0〇.〇 寸N¢○︻?O M∀のCl〇.〇 トサN00〇.〇 N¢の寸1〇.〇 ︻¢¢N0〇.〇 N¢lC0〇.〇 ¢廿gOの〇.〇 廿MNの0〇.〇 の○閑¢寸一.−

のN01C〇.〇 ∀の寸のN〇.〇 のー¢め¢〇.〇 一¢寸のN〇.〇 〇のNのN〇.〇 り¢トN0〇.〇 ト¢門NO〇.〇 かめl000d トの〓t〇.〇 のl tlONtO ¢めM∀NO  ̄NM寸のくOP−のの⊂〉−■Nの、チのt8ト(冶の⊂〉・一N(り∀ −くヾM・寸−∫=に〉トー00くわくっ一NM・サtつく○トののく〉一ぐ]〔り・q ▼一・−1▼−l・一一・一・−′■■・}【=Nぐ小N=N⊂ 一▼→▼一一−1▼「一一▼一{H NNくヾNくヾ

(20)

叩NNOO?0 01寸00〇.O CCNlO?○ のlの00〇.〇 のめC00〇.〇 ¢の000〇.〇 ¢tNOO〇.〇 卜○¢00?0 0∞l00〇.〇 等.〇〇〇?O N寸l00〇.〇 Nめ000?○ 吟唱門00?Q Oめ000〇.〇 〇tl00〇.〇 サ¢の00〇.〇 〇ト印;?○ 聖賢岩るOd か鱒lNO?○ 寸廿め00?0 咽ゆl00?○ 讐崇岩るOd

−““qご可二聖N■k=N毎時\−対m−−

︵sト巴︶−遥d三n≡づとd言hO︼Sltn∽遥p¢︸dln。t∂

廿¢S¢0〇.〇 N寸∽︻00▲○ のの︻00?○ 爪︻ト︻0〇.〇 MM¢00?○ の○∽000d N︻M00〇.〇 −めの寸○?0

0トの000−○ NN寸lO?○

エ等三岩d

MO¢00?○ のON00〇.〇 ¢¢の00〇.〇 C¢ト00〇.〇 l∀−00?O のト;0〇.〇 NのN00?○ ∽寸−10〇.〇 tN000〇.〇 ¢ト寸00〇.〇 ∽tO−○?○ Nの000?○ 寸ト000〇.O

tN の¢∀00?0 0∽のt0〇.〇 〇トトtO〇.〇 NOめ00?O S寸の00〇.〇 トトQOQ?0

∽Nの00?0 のMNQ00 のト0000 ∞1000〇.〇 トl︻00〇.〇 NN00ウ〇.〇 uNN00?O ¢︻NO0〇.〇 ︻マ¢00?○ Cのの00〇.〇 のNt00?O

. Nの000?○ .〇

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¢00100d

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竺票〓dOd

寸寸ト00〇.〇 NNMt00d NNのN0〇.〇 寸0∀−○?0 0め000〇.〇 −∞トー0〇.〇 〇のN寸0〇.〇 トのS00〇.〇 ∽のN00?○

.〇 .〇 .〇

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0

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0ト〓00 のの¢000 一寸卜000 0のOZ00 ¢OC000 寸N∞000

の叩か叩○¢

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. M門の000d . 廿NN00?○ ∽tS¢0〇.〇 〇〇N00?○ のトNN0〇.〇 0MNN00 のトの000 .〇

〇 .〇 .〇 .〇 .〇 d

.〇

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.〇

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dd

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《=〉く> dd Cの寸Q00 ¢M0100 のサgt00 Mト・ 〔D廿

の■■

▼・q匂っ く)く=

0?

¢Ct000 寸CC000 ¢tNO00 寸︻NO¢ のト0000

︻¢トN0〇 一Nmヽrのく♪【、のくゎく⊃・−ぐ」ぐつ■勺−のくD卜・のくわく⊃▼=Nぐり「一 −NOつ■寸のく¢ト劇¢⊂〉{NM寸のく○ ト1コ○くJ〉(⊃−ハト∝巨寸 ・−・▼一・一−く・−t,−→■一・一▼一−1くヾN N N N −一t・イー{▼→・−く▼・−l●・{▼一【1▼・■N N Ntト】亡・I

(21)

AN ECONOMIC ANALYSIS OF INTERREGIONAL

REPERCUSSION EFFECTS*

−2Jβ−

Above conclusions are allbased on the internal matrix multi−

plier only。Actually,however,prOductionactivityin Shikoku region

does not end with the amount ofitsinternalmatrixmultiplier。Fur−

thermor・e,it alwaysinducesindustr・ialactivityin other region.

Ther・efore,We Sha11nextinterpret our numer・icalresults ofinterI−

regionalrepercussions.TablelO shows the calculated results for

the“externalmatr・ix multiplier’’which was defined by equation(1d).

Clearly,theyindicate the Shikoku’s feedback effects thr・Oughother

region

Althoughthe diagonalelements are moreinfluencialthan the off−

diagonalelementsin the externalmatrix multiplier,they donotmuch

differin unity,eXCepting afewindustries such as Textile products,

Chemicals,Pulp,paper&paper products,and Primar・yiron &

steelmanufactur・ing.Therefore,SO far as we consider the inter・−

regionalfeedback effects of Shikoku region,the external matrix

multiplier turns out to be quite sma11in value,and hence,the

Changesin thelevelof output producedin Shikoku r・egioninduced

by changesin the finaldemands、in the same region(i小e.,∂Xl/∂F.

=KABll=BAin Tablell)are mainly determined by the corr・e−

spondinginternalmatr・ix multiplier(i..e.,Bllin Table 9). This

COnClusion can we11be corTOborated by compar・ing Table 9 with

Tablell

Finally,What about the changesin the outputlevelof Shikoku

region accruing from the changesin the finaldemandsin other・re−

gion(i.e.,∂X./∂F2=KlミBl.A.2B22)?Asshown by the figur・eSin

Table12,the mtlltiplierIS Of this type take on different values ac−

cording to eachindustrialsector.Above all,it can be clar・ified

that suchindustries as Primary nonferIr・OuS metalmanufacturing,

Chernicals,Pulp,paper&paper products,Coal,lignite&mining,and

(22)

香川大学経済学部 研究年報 21

ー2J4−・

ノ ダβ2

the changesin finaldemandin other region.As a result,theinter−

regionalrepercussion eぽects of their own productive activities are

further enlarged due to this comparatively stronginducing relation−

ship with other region.These empiricalfindings wellcoincide with

ourinitialanticipations that the Shikoku re如onaleconomies are

highly dependent on other region’s economic activities・

The changesin repercussion efEectin the past decade can be

made clear・erifthe figuresin Tables9 to12 are compared with

the figuresin Tables13to15.As a result,We may State the

following points:

1)So faraS Our Calculated results for theinternalmatrix mul−

tiplier are concerned,intraregionalrIeper・CuSSion effects of Shikoku

r・egion ar・e generally smallin scale,and come to show even de・

creasing−trend over time.

2)Particularly,the r・emarkabledecreasesinrepercussion・ef−

fects are generatedin suchindustries as Primaryiron &steel

manufacturing,and Textile&food pr・Oducts小

3)This fact tells us the weakness pfintraregional repercus−

sion effects of Shikoku region as wellas theimportance of inter−

regionalrelationship with other region for developmentalplanning

参照

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