The short-run aggregate supply curve (in the absence of misperceptions)
A) is vertical.
B) slopes upward.
C) is horizontal.
D) slopes downward.
C
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Cindy's Sweaters' production function is shown in the above table. Cindy rents two knitting machines for $30 a day each and hires workers at a wage rate of $40 a day. What is the marginal cost of the 19th sweater?
A) $40.00 B) $20.00 C) $10.00 D) $8.00
The present value of a dollar rises as
A. the interest rate declines and the number of years you wait for your money declines. B. the interest rate rises and the number of years you wait for your money rises. C. the interest rate declines and the number of years you wait for your money rises. D. the interest rate rises and the number of years you wait for your money declines.
A forecaster used the regression equationQt = a + bt + c1D1 + c2D2 + c3D3and quarterly sales data for 1996 I - 2013 IV (t = 1, ..., 64) for an appliance manufacturer to obtain the results shown below. Q is quarterly sales, and D1, D2 and D3 are dummy variables for quarters I, II, and III. 
Using the estimation results given above, the predicted level of sales in 2014 II is ________ units.
A. 155.5 B. 127.5 C. 154 D. 137.5 E. none of the above
In general we note that inflation:
A. hurts everyone in the economy the same. B. always decreases purchasing power. C. hurts everyone in the economy whenever it occurs. D. has very real costs associated with it.