Purchasing-power parity says that the nominal exchange rate must equal the real exchange rate
a. True
b. False
Indicate whether the statement is true or false
False
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Shama is producing candles in a perfectly competitive market. When she produces 500 candles, her total cost is $250. If she produces one additional candle, her total cost increases to $260
In order to maximize her profit, she should produce the additional candle A) if the market price for a candle is $12. B) only if the market price exceeds $260 for a candle. C) only if the market price exceeds $250 for a candle. D) if the market price for a candle exceeds $0.50. E) if her price exceeds her average total cost.
The only difference between a one- and two-sided hypothesis test is
A) the null hypothesis. B) dependent on the sample size n. C) the sign of the slope coefficient. D) how you interpret the t-statistic.