With the Lucas supply function, a price surprise means

A. actual price is greater than expected price.
B. actual price is less than expected price.
C. actual price is either greater than or lower than expected price.
D. actual price equals expected price.


Answer: C

Economics

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a. A and B.
b. A and D.
c. B and C.
d. B and D.

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If the ATC curve has a positive slope, then the MC curve must be

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