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O;f"V vFkZ'kkL=k osQ fl¼kar
uksV lhekar nj vfèkd gS] rks lkèku bdkbZ osQ le; dks vodk'k ls dke esa LFkkukarfjr djosQ oLrq osQ mRiknu
dks c<+k;k tk ldrk gSA b"Vre n'kk ml le; vkrh gS] tc ,d lkèku&Lokeh dks Hkqxrku fd;k x;k
iqjLdkj lkèku dh lhekar mRikndrk osQ ewY; osQ cjkcj gksrk gSA bls fp=k 22-6 dh lgk;rk ls Li"V fd;k
tkrk gSA
fp=k 22-6
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TC dke vkSj mRiknu dk :ikarj.k oØ gSA C dks lkèku dk 'kwU; fcanq ekudj] lkèku bdkb;k¡ lekukarj
v{k ij nk,¡ ls ck,¡ dks {kSfrt :i esa ekih xbZ gSaA mRiknu bdkb;k¡ vuqyac v{k ij ekih xbZ gSaA bl izdkj]
TC oØ dke vkSj mRiknu osQ chp :ikarj.k dh ?kVrh lhekar nj dks izdV djrk gSA nwljh vksj] izR;sd
mnklhurk oØ vk; (dke ls) vkSj vodk'k osQ fofHkUu la;ksxksa dks n'kkZrk gSA bl voLFkk esa] vk; dks
{kSfrt v{k osQ lkFk vkSj vodk'k dks (?kaVksa esa) vuqyac v{k ij ekik x;k gSA mnklhurk oØ dh mUurksnjrk
(Convexity) vk; vkSj vodk'k osQ chp LFkkukiUurk dh ?kVrh lhekar nj dks O;Dr djrh gSA ;g lhekar
n'kk ml ¯cnq ij larq"V gksrh gS] tgk¡ :ikarj.k oØ rFkk mnklhurk oØ ,d&nwljs osQ Li'kZjs[kh;
(Tangent) gSaA vFkkZr~ tgk¡ mudh <ykusa leku gSaA Li"V gS fd L fcanq b"Vre fLFkfr dk fcanq ugha gks ldrk
D;ksafd bl fcanq ij TC rFkk I oØ vkil esa ,d&nwljs dks dkVrs gSaA vk; (dke ls) vkSj vodk'k osQ
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chp LFkkukiUurk dh lhekar nj rFkk dke vkSj mRiknu esa :ikarj.k dh lhekar nj osQoy rHkh leku gksrh
gS tc O;fDr vis{kkÑr vfèkd mQ¡ps mnklhurk oØ I ij vk tkrk gS] tgk¡ ij I oØ P fcanq ij TC
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oØ osQ Li'kZ&js[kh; gSA bl izdkj ;g n'kk P fcanq ij larqf"V gksrh gSA
22-7 b"Vre var%dkfyd n'kk (The Optimum Intertemporal Condition)
bl n'kk osQ fy, vko';d gS fd ^^lkèkuksa vkSj oLrqvksa osQ izR;sd tksM+ksa osQ chp :ikarj.k dh lhekar
vYidkfyd nj rFkk lkèkuksa osQ izR;sd tksM+s osQ chp vkSj oLrqvksa osQ izR;sd tksM+s osQ chp
LFkkukiUurk dh lhekar vYidkfyd nj Hkh vo'; tksf[kejfgr izfrHkwfr;ksa ij C;kt dh nj osQ
cjkcj gksuh pkfg,A** blfy,] tksf[ke ;k vfuf'prrk osQ vHkko esa mRikndksa osQ chp ½.k osQ ysus rFkk
½.k nsus ls bl n'kk dk lacaèk gSA bl n'kk dk eryc gS fd C;kt dh og nj] ftl ij ,d O;fDrxr
mRiknu ,d nh gqbZ iw¡th dh ek=kk mèkkj ysus dks rS;kj gS] mèkkj ysus okys mRiknd osQ fy, ml (iw¡th) dh
lhekar mRikndrk osQ cjkcj gksuh pkfg,A bls fp=k 22-6 dh lgk;rk ls Li"V fd;k tk ldrk gSA lekukarj
v{k eqnzk dks vk; osQ :i esa vkSj vuqyac v{k Ø; 'kfDr osQ :i] izR;sd fHkUu&fHkUu le; ij] ekirk gSA
I rFkk I O;fDrxr ½.knkrk ls fHkUu&fHkUu vk; Lrjksa ls lacafèkr ^le; (dky) mnklhurk oØ* gSA dky
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mnklhurk osQ oØ ij izR;sd fcanq orZeku rFkk Hkfo"; dh vk;ksa osQ chp LFkkukiUurk dh ?kVrh lhekar nj
dks O;Dr djrk gSA bldk eryc gS fd O;fDr vk; dh gj ml bdkbZ ij vis{kkÑr vfèkd mQ¡pk izfriQy
(izhfe;e) pkgrk gS ftls og Hkfo"; esa iz;ksx osQ fy, NksM+rk gSA TC O;fDrxr ½.kh dk ^dky&mRiknu
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