General Elasticity Problems

A typical consumer behaved in the following manner with respect to purchases of butter over the past eight years:

Year

Price of Butter

($/pound)

Quantity of Butter Purchased

Real Income

($)

Price of Margarine

($/pound)

1

0.95

200

11000

0.65

2

1.1

180

11000

0.65

3

1.1

190

11500

0.65

4

1.1

200

11500

0.9

5

1.15

170

11500

0.9

6

0.99

190

11500

0.9

7

0.99

175

10500

0.9

8

0.99

150

10500

0.65

Compute all meaningful price, income and cross-elasticity coefficients. (Remember that the effects of the other factors need to be held constant when computing any of these coefficients).

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