Mavzu. Mikroiqtisodiyot faniga kirish

IV MAVZU. ELASTIKLIK VA UNI HISOBLANISHI
1-masala
Kitobningnarxi 50% gao’sganholda, ungatalab 30% gaoshsa, elastiklikkoeffitsentinitoping.

E_d=∆Q/∆P=30/50=0.6

E<0.6 Javob: elastiklikemas.
2-masala
Agarnarx 10% gakamaysa, foydaesa 5.5% gapasaysa, talabganisbatanchegaralanmagantaklifdatalabningegiluvchanliginitoping.
Berilishi:

Narx – 10% gapasaydi

Foyda – 5.5% gapasaydi

Talabningegiluvchanligi - ?

Ed=∆Q/Q÷∆P/P

S=1-%/100% foiznikamaygandasongaaylantirishformulasi

1-10%/100%=1-0.1=0.9 narx 0.1gao’zgarib 0.9 bo’libqoldi.

1-5.5%/100%=1-0.055=0.945 foyda 0.055 gao’zgarib, 0.945 nitashkiletdi.

Foydadinamikasi 0.9*b(Q+∆Q) =0.945*P*Q

0.9*P*( Q+∆Q)=0.945*P*Q

Q+∆Q=0.945/0.9*Q

Q+∆Q=1.05*Q/÷QnatijaniQgabo’libyuboramiz.

0.9Q+0.9∆Q =0.945/÷Q

0.9+0.9∆Q/ Q=0.945

0.9∆Q/ Q=0.045

∆Q/ Q=0.045/0.9=0.05

Ed=∆Q/Q÷∆P/P=0.05/0.1=0.5