Page 112 - DECO401_MICROECONOMIC_THEORY_HINDI
P. 112
O;f"V vFkZ'kkL=k osQ fl¼kar
uksV fp=k 5-7
T
L
I
2
Good Y S
R
I
I
1
O Good X M
tgk¡ rd] mnklhurk oØ dh vkÑfr dk lacaèk gS] fp=k 5-7 n'kkZrk fd R ¯cnq ij I oØ ewy osQ mUurksnj
gS D;ksafd ;g fupys vkSj mQijh vufHkKrk {ks=kksa essa ls xqtjrk gSA vkSj izek.k nsus osQ fy,] igys ge LM
dks ljy js[kk mnklhurk oØ fopkjrs gSaA js[kk LM mnklhurk oØ ughaa gks ldrk] D;ksafd R dk pquko LM
ij lHkh ¯cnqvksa dks R ls ?kfV;k izdfVr djrk gS rFkk miHkksDrk ,d gh le; ¯cnq R vkSj LM ij fdlh
vU; ¯cnq osQ chp mnklhu ughaa gks ldrk gSA nwljs] ;g I oØ dh rjg ughaa gks ldrk tks LM js[kk dks
2
R ¯cnq ij dkVrk gS] D;ksafd R ls uhps lHkh ¯cnq R ls ?kfV;k izdfVr gSa vkSj miHkksDrk muosQ izfr mnklhu
gSA rhljs] mnklhurk oØ I dh rjg R ls xqtjrk urksnj (concave) ughaa gks ldrk D;ksafd blosQ mQijh
1
vkSj fupys Hkkx ?kfV;k {ks=k esa gSa vkSj lHkh ¯cnq R ls ?kfV;k izdfVr gSaA blfy,] mnklhurk oØ osQoy ewy
osQ mUurksnj gh gks ldrk gS] tSlk fd fp=k 5-7 esa I oØ gSA
D;k vki tkurs gSa miHkksDrk osQ ekfoZQV O;ogkj dk voyksdu djosQ izdfVr vfèkeku }kjk ,d
mUurksnj mnklhurk oØ [khapk tk ldrk gSA
5-5- izdfVr vfèkeku fl¼kar dh Js"Brk
(Superiority of Revealed Preference Theory)
miHkksDrk osQ O;ogkj ls lacaèk j[kus okys fgDl osQ Øe&la[;kRed fl¼kar dh vis{kk izdfVr vfèkeku
fl¼kar Js"B gSA
1- ;g miHkksDrk osQ O;ogkj osQ ckjs esa fdlh euksoSKkfud varnZ'khZ lwpuk dk vè;;u ughaa djrk gSA
cfYd] ;g ekfoZQV esa miHkksDRkk osQ O;ogkj osQ fujh{k.k osQ vkèkkj ij O;ogkjoknh fo'ys"k.k izLrqr
djrk gSA lSE;wylu osQ vuqlkj] bl fl¼kar us ek¡x fl¼kar dks euksoSKkfud fo'ys"k.k osQ vafre
vo'ks"kksa ls eqDr dj fn;k gSA blfy,] izdfVr vfèkeku midYiuk iwoZ ek¡x izes;ksa ls vfèkd okLrfod
vkSj oSKkfud gSA
2- ;g fl¼kar mi;ksfxrk vkSj mnklhurk oØ nksuksa fl¼karksa dh fujarjrk (continuity) ekU;rk ls cp
tkrk gSA ,d mnklhurk oØ fujarj oØ gksrk gS ftl ij miHkksDrk nksuksa oLrqvksa osQ dksbZ Hkh la;ksx
ys ldrk gSA ijarq lSE;wYlu dk ;g fo'okl gS fd bl izdkj vfujarjrk ikbZ tkrh gS D;ksafd miHkksDrk
osQoy ,d gh la;ksx ys ldrk gSA lSE;wylu dk vuqdj.k djrs gq, fgDl us viuh Revision of
106 LOVELY PROFESSIONAL UNIVERSITY