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tamaranim1 [39]
3 years ago
6

Consider a product market with a supply function Qs i = b0 + b1 Pi + u s i , a demand function Qd i = g0 + u d i , and a market

equilibrium condition Qs i = Qd i , where u s i and u d i are mutually independent i.i.d. random variables, both with a mean of zero. a. Show that Pi and u s i are correlated. b. Show that the OLS estimator of b1 is inconsistent. c. How would you estimate b0 , b1 , and g0 ? Stock, James H.. Introduction to Econometrics (Pearson Series in Economics (Hardcover)) (p. 463). Pearson Education. Kindle Edition.
Business
1 answer:
QveST [7]3 years ago
3 0

Answer:

Explanation:

A. Solving for P yields P =0011dsiiuuγβββ−−+; thus 21(,)susCov P uσβ−=.Because Cov(P,u) ≠0, the OLS estimator is inconsistent.

B. We need an instrumental variable, something that is correlated with P but uncorrelated with us. In this case Q can serve as the instrument, because demand is completely inelastic (so that Q is not affected by shifts in supply). γ0can be estimated by OLS (equivalently as the sample mean of Qi

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4 years ago
Fabri Corporation is considering eliminating a department that has an annual contribution margin of $37,000 and $74,000 in annua
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Answer:

the annual financial advantage (disadvantage) for the company of eliminating this department is $18,500

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Read 2 more answers
England and Scotland both produce scones and sweaters. Suppose that an English worker can produce 50 scones per hour or 1 sweate
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Answer:

Scottish workers have an absolute advantage in producing scones.

English workers have an absolute advantage in producing sweaters.

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Explanation:

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