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VED1
E L-LOVELY-H math24-1 IInd 6-8-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12

noEPk;soh dk rfDs

B'N i/eo x 11 = a 11 X 1 , X 12 = a 12 X 2 nkfd.
j[D ;kv/ :[rwgd ;wheoD j'Dr/^

X 1 = a 11 X 1 + a 12 X 2 + .... + a 1n X n + D 1
X 2 = a 21 X 1 + a 22 X 2 + .... + a 2n X n + D 2
X n = a n1 X 1 + a n2 X 2 + .... + a nn X n + D n
;XkoD nkdoP j/m nB[;ko fbfynk ik ;edk j?^

iK X = AX + D HHHHH(24H2)

fJZE/

;wheoD (24H2) Bkb
D = X – AX = (I – A) X
fJZE/ I ;s;wekoh t:{j (Idently Matrix) j?. fJ; bJh
–1
X = (I – A) D HHHH(24H3)

eh s[;hA ikDd/ j' fJZE/ (I – A) fJZe ftgohs t:{j (Inverse Matrix) j?.

24H1H2 nkrs^fBors nkdoP dhnK ;hwktK (Limitations of Input-Output
Model)
Gkt/A fe fb:'AfNc nkrs^fBors ftPb/PD nkofDe ftPb/PD ftZu fJZe wjZstg{oD :'rdkB j?
gozs{ fJ;dh nkgDhnK e[ZM ;hwktK jB fijVhnK fBwB fbys jB^
1H g{ot^XkoDktK dh nfttjkfoesk (Impracticability of the Assumptions)^fb:'AfNc
nkdoP dhnK wkBsktK nfttjkfoe jB. fJ; ftZu fJj wzfBnk frnk j? fe seBheh r[DKe
(Technological Coefficient) ;fEo ofjzdk j? fJ; dk Gkt j? fe seBheh ;fEosk iK T[sgkdB
ftZu gfotosB d[nkok brkJ/ rJ/ ;kXBK dhnK wksoktK ftZu th gfotosB j't/rk. fJ;h soQK
nkdoP fJj th wzfBnk frnk j? fe noEftt;Ek d/ ;ko/ y/soK dh g{zih ;zouBk ;wkB j[zdh j?
gozs{ jo/e y/so dh g{zih dh wzr fGzB^fGzB j[zdh j?, fJ; bJh g{zih ;zouBk th jo/e y/so d/
bJh fGzB^fGzB j't/rh.
2H e[ZM ;kXBK dh T[g/fynk (Neglecting Certain Factors)^fJ; Bkb nkdoP dh fdqVQ gqfeosh
(Rigid Nature) d/ ekoB tZXdh j'Jh bkrs ns/ ftfGzB soQK dhnK ;wZf;nktK dk fBtkoD ;zGt
BjhA j?.
3H fJZe gZyh f;XKs (One Sided Analysis)^fJj f;XKs fJZe gZyh ftPb/PD wzfBnk iKdk j?,
feT[Afe fJ; ftZu noEftt;Ek d/ e/tb T[sgkde y/so (Productive Sector) B{z jh fbnk iKdk
j?. fJ; bJh T[sgkde y/so dh fpbe[b T[g/fynk ehsh rJh j?.
4H ;kXB gqfs;EkgB dh T[g/fynk (Neglecting Factors of Substitution)^seBheh r[DKe dh
;fEosk dh wkBsk ;kXB gqfs;EkgB dhnK ;zGktBktK dh T[g/fynk eodh j?. gozs{ n;bhns
ftZu d/fynk ikt/ sK nfijh gqfs;EkgB dhnK ;zGktBktK nbgekb ftZu th j[zdhnK jB.
fInkdk ;w/A ftZu fJBQK dhnK ;zGktBktK pj[s tZX iKdhnK jB.

322 LOVELY PROFESSIONAL UNIVERSITY