Page 160 - DECO401_MICROECONOMIC_THEORY_HINDI

O;f"V vFkZ'kkL=k osQ fl¼kar

uksV fLFkj dher yksp osQ ek¡x iQyu osQ fy,]
∆ Q/Q x
x
b =
∆ P/ P x
x
,d fLFkjkad gSA
bl fo'ks"krk dk iz;ksx djrs gq, fd y?kqxf.kdksa esa xf.krh; ifjorZu pj esa vkuqikfrd ifjorZu O;Dr djrs
gSa] ge fy[k ldrs gSa] ∆log Q = b log P
x x
tgk¡ ∆log Q = ∆Q , ∆Q , log P = ∆P /P ] vkSj b ek¡x dh dher yksp gS]
x x x x x x
∆ Q/Q x
x
ftlls] b =
∆ P/ P x
x
tgk¡ b fLFkj eku yh xbZ gSA
lkekU;hdj.k djrs gq, gS] P , P vkSj Y dk fLFkj&yksp dk ek¡x iQyu y?kqxf.kdksa osQ :i esa bl izdkj
x Q
O;Dr fd;k tk ldrk gS]
Log Q = log a + b log P + c log P + d log Y ...(2)
x x o
ft
ljyhdj.k osQ fy, lehdj.k (1) osQ e in dks ugha fy;k x;k gSA
lehdj.k (2) dks lgt bdkb;ksa esa ifjofrZr djrs gq,] ;g cu tkrk gS]
c
b
Qx = a PP Y t ...(3)
x o
xzkiQh; izLrqrhdj.k (Graphic Presentation)
fLFkj yksp osQ ek¡x iQyu dks xzkiQh; :i esa fp=k 7-1 esa izLrqr fd;k x;k gS ftls fcanqvksa osQ lewg }kjk
vk¡dM+ksa osQ ,d midfYir lSV ij fiQV djosQ fpf=kr fd;k x;k gSA bl izdkj] D oØ ek¡x dh fLFkj dher
yksp n'kkZrk gSA

fp=k 7-1

Price of X

D
O Quantity of X

lkekU; rkSj ls] vFkZ'kkL=kh lehdj.k (3) osQ ek¡x iQyu dks 'kwU; dksfV osQ ,d le:i iQyu osQ :i esa
O;Dr djrs gSaA ,slk ek¡x iQyu esa okLrfod vk; vkSj lkis{k dherksa dks ek¡x iQyu esa ysdj fd;k tkrk
gS] vr%

b c d
 P   P   Y 
o
x
Qx =   .   .   ...(4)
 P   P   P
tgk¡ P ,d lkekU; dher lwpd gSA

154 LOVELY PROFESSIONAL UNIVERSITY