Answer to Question #286349 in Microeconomics for rexfer

Question #286349


P($)       Q

70         2800

60         3000


Calculate Price Elasticity of Demand using Mid-Point Method.


1
Expert's answer
2022-01-13T09:01:26-0500

To calculate price elasticity using me point method, you are supposed to use the percentage change in both the quantity and price. The formula is as below;

% change in Quantity=Q2Q1(Q2+Q1)12×100=\frac {Q_2- Q_1}{(Q_2+Q_1)\frac{1}{2}} \times 100


=30002800(3000+2800)12×100=\frac {3000- 2800}{(3000+2800)\frac{1}{2}}\times 100


=2002900×100=6.9=\frac {200}{2900}\times 100=6.9%%


% Change in Price=P2P1(P2+P1)12×100=\frac {P_2- P_1}{(P_2+P_1)\frac{1}{2}}\times 100

=6070(60+70)12×100=\frac {60- 70}{(60+70)\frac{1}{2}}\times 100


=1065×100=15.4=\frac {-10}{65}\times 100=-15.4%%


Price Elasticity =6.915.4=\frac {6.9}{-15.4}

= -0.45

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