Ans: D) making the difference estimator easier to calculate than in the case of the differences estimator without the additional regressors.
All of the following are reasons for using the differences estimator with additional regressors, with the exception of
A) efficiency.
B) providing a check for randomization.
C) providing an adjustment for "conditional" randomization.
D) making the difference estimator easier to calculate than in the case of the differences estimator without the additional regressors.
Economics
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If at optimum output of 1,000 units, the firm is incurring average variable cost per unit of $3, average fixed cost per unit of $1.50, and selling its output at $7 per unit, total profit is
a. $7,000. b. $2,500. c. $1,500. d. $250.
Economics
The economy is in equilibrium, TP = TE, and Real GDP is $4,555 billion. The MPC is 0.80, the multiplier is operative, and idle resources exist at each expenditure round. Government purchases rise by $10 billion. As a result, the __________ curve shifts __________, inventory levels unexpectedly __________, business firms ___________ the quantity of goods and services they produce, and Real GDP
__________ by __________. A) TE; downward; fall; increase; rises; $10 billion. B) TP; rightward; fall; decrease; falls; $50 billion C) TE; upward; fall; increase; rises; $50 billion D) TE; downward; rise; increase; rises, $50 billion
Economics