Answer to Question #126028 in Microeconomics for Tshoanelo Mutembwa

Question #126028
The television market in South Africa has two major suppliers producing differentiated television models. The monthly demand functions of the two suppliers is as follows:

Samsung q1= 450 - 2p1 + p2
LG q2 = 450 - 2p2 + p1

The marginal costs of production are R60 per unit and fixed costs are equal to zero

Part 1
a) write down an expression for Samsungs inverse demand function which expresses p1 on terms of q1 and q2 only

b) in a similar manner, write down the expression of LGs inverse demand function in the form of an equation for p2 in terms of q1 and q2 only
1
Expert's answer
2020-07-17T12:57:02-0400

(a)

p1=q2450+2(q1450+2p1)p1=q2−450+2(q1−450+2p1)

p1=q2450+2q1900+4p1p1=q2−450+2q1−900+4p1

3p1=1350q22q13p1=1350−q2−2q1

p1=45013q223q1p1 = 450 - \frac{1}{3} q2 - \frac{2}{3}q1


(b)

p2=q1450+2(q24502p2)p2 = q1-450+2(q2-450-2p2)

p2=q1450+2q29004p2p2=q1−450+2q2−900−4p2

3p2=1350q1q23p2 = 1350 - q1 - q2

p2=45013q123q2p2 = 450 - \frac{1}{3}q1 - \frac{2}{3} q2


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