A physical examination is NOT a good screening device for life insurance companies if
A) life-threatening diseases are usually undetected.
B) doctors cannot be easily bribed to write a good report.
C) medical history is a good predictor of life expectancy.
D) one's current state of health is a good predictor of life expectancy.
A
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When full employment is present in the United States:
A. the rate of unemployment will fall to zero. B. the actual rate of unemployment will be less than the natural rate of unemployment. C. approximately 95 percent of the adult population will be employed. D. approximately 95 percent of the labor force will be employed.
Suppose the average price of a Big Mac in the United States is $3.50 while in Japan the average price is 400 yen. If the market exchange rate is that 1 dollar is exchanged for 100 yen, the purchasing power parity model of exchange-rate determination suggests that
A. the price of a Big Mac in Japan will rise. B. the yen is overvalued. C. the dollar will depreciate against the yen. D. the yen value is about correct.