In the above figure, the efficient quantity is
A) 0 units.
B) 70 units.
C) 80 units.
D) 100 units.
C
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The manufacturer of Beanie Baby dolls used quarterly price data for 2005 I - 2013 IV (t = 1, ..., 36) and the regression equationPt = a + bt + c1D1t + c2D2t + c3D3tto forecast doll prices in the year 2014. Pt is the quarterly price of dolls, and D1t, D2t, and D3t are dummy variables for quarters I, II, and III, respectively. 
In any given year price tends to vary from quarter to quarter as follows:
A. PI > PII > PIII > PIV B. PII > PIII > PIV > PI C. PIII > PI > PII > PIV D. PI > PIV > PIII > PII E. PIV > PIII > PII > PI
As the LM curve becomes steeper, an unexpected decrease in consumer confidence
A) will cause a relatively large increase in output and relatively large increase in the interest rate. B) will cause a relatively small increase in output and relatively small increase in the interest rate. C) is more likely to cause stock prices to rise. D) is more likely to cause stock prices to fall.
Which of the following would cause the dollar to appreciate?
A) an increase in the demand for dollars B) a decrease in the demand for dollars C) an increase in the supply of dollars D) an increase in the demand for imports from foreign countries
Refer to the given data. If the prices of labor and capital are $9 and $15 respectively, at the profit-maximizing level of output, the firm's total revenue will be:
A. $114.
B. $180.
C. $129.
D. $192.