Page 343 - DECO403_MATHEMATICS_FOR_ECONOMISTS_PUNJABI

VED1
E L-LOVELY-H math25-1 IInd 21-10-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12

fJekJh^25 L j"efB;^f;w'B dhnK PosK

B'N

B'N; fJj B'N eoB :'r j? fe i/eo seBheh w?fNqe; T[Zu fse'Dh (i' fe), i/eo w{b
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fteoD d/ j/mK d/ ;ko/ sZs Iho' jB iK Iho' d/ B/V/ jB, sK (I – A) w?fNqe;
fse'Dh j't/rh. nfijh ;fEsh ftZu X 3 fBors g{oh soQK Bkb ;?eNo 3 dh nkyoh
wzr T[Zs/ fBoGo eo/rk ns/ X 3 ;?eNo 2 ns/ 3 dh nkyoh wzr T[Zs/ fBoGo eo/rk.

T[dkjoDL T[go'es T[dkjoD ftZu i/eo nkyoh wzr ftZu 10, 10, 10 gfotosB j[zdk j? sK
fBors ftZu eh gfotosB j't/rk.

In the above example, if final demands change by 10, 10, 10 then what will be the change in
sector outputs?
–1
We have X = (I – A) F
–1
∴ ∆X = (I – A) ∆F
fiZE/, ∆X ns/ ∆F fBors ns/ nkyoh wzr ftZu nkJ/ j/mb/ pdbktK d/ eqw nB[;ko tkje jB,
fJ; bJhL

∆X 1 = 1.11 × 10 + 0.42 × 28 × 10 = 18.1
∆X 2 = 0 + 1.25 × 10 + 0.36 × 10 = 16.1
∆X 3 = 14.3

;t?^w[bKeD (Self Assessment)

ykbh ;EkBK dh g{osh eo' (Fill in the blanks)^
1H edh^edh nkrs^fBors w?fNqe; dk jZb HHHHHHHHHHHH ;zfynk nk iKdk j?.

2H i/eo ;kvk jZb fBors foDkswe j? sK fJ;dk wsbp fJj j? fe n;hA fBors s'A tZX
HHHHHHHHHH dk gq:'r eo oj/ jK.

3H w?fNqe; dk ;kofDe jw/PK HHHHHHHHHHH j'Dk ukjhdk j?.

25H3 ;koKP (Summary)

• edh^edh nkrs^fBors w?fNqe; dk jZb, foDkswe ;zfynk nk iKdk j?. i/eo ;kbk jZb
fBors, foDkswe fBors nkT[Adk j? sK fJ;dk wsbp fJj j? fe n;hA fBors s'A tZX
nkrs dk gq:'r eo oj/ jK, fijVh fe fJZe ntk;sfte ;fEsh j?.
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• ;kvh gfjbh ;wheoD X = (I – A) F j? sK (I – A) B{z j/m nB[;ko fby ;ed/ jK.

LOVELY PROFESSIONAL UNIVERSITY 337