1. Suppose you are the economic adviser ofa company producing three brands of mobile pnones; Nokia 10, Samsung X and iPhone 7. Suppose further that, your company currently sells 120 units of iPhone Z at e800 per unit, 150 units of Samsung X at e800 per unit and 200 units of Nokia 10 at e100 per unit, but in a bid to maximize profit, the company's managing director proposes an increase in price of Samsung X from e800 to e1000 per unit for which quantity demanded is anticipated to fall from 150 to 100 units; iPhone Z from e800 to e 1200 per unit for which quantity demanded is anticipated to fall from 120 to 100 units; and Nokia 10 from 100 to 200 per unit for which quantity demanded is expected to fall from 200 to 100 units Using the mid-polint formula. compute the price elasticity of demand for each brand. From your answer in i, what is the type and economic interpretatiom of each brand's ii. value of elasticity.

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
Publisher:NICHOLSON
Chapter14: Monopoly
Section: Chapter Questions
Problem 14.13P
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1. Suppose you are the economic adviser ofa company producing three brands of mobile pnones;
Nokia 10, Samsung X and iPhone 7. Suppose further that, your company currently sells 120
units of iPhone Z at e800 per unit, 150 units of Samsung X at e800 per unit and 200 units of
Nokia 10 at e100 per unit, but in a bid to maximize profit, the company's managing director
proposes an increase in price of Samsung X from e800 to e1000 per unit for which quantity
demanded is anticipated to fall from 150 to 100 units; iPhone Z from e800 to e 1200 per unit
for which quantity demanded is anticipated to fall from 120 to 100 units; and Nokia 10 from
100 to 200 per unit for which quantity demanded is expected to fall from 200 to 100 units
Using the mid-polint formula. compute the price elasticity of demand for each brand.
From your answer in i, what is the type and economic interpretatiom of each brand's
ii.
value of elasticity.
2. Briefly explain any three key features of a Perfect Competitive and a Monopolistic market
i Show what happens to a monopoly fim operating in the long-run

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