1.

Calculate :(i) Total expenditure on good X when P_(X) falls from Rs. 6 to Rs. 1.(ii) Derive the value of ED.(iii) What shape will the demand curve take ?

Answer»

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Solution :`{:(P_(X),Q_(X)=1400//P_(X),P_(X)Q_(X)),(6,233.3,1400),(5,280,1400),(4,350,1400),(3,466.6,1400),(2,700,1400),(1,1400,1400):}`
THUS, total expenditure remains unchanged at Rs. 1400 when `P_(X)` falls from Rs. 6 to Rs. 1.
(i) Since expenditure remains constant to any change in `P_(X)`, the value of ED = 1.
(ii) DEMAND curve will be a rectangular hyperbola.


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