To say that stock prices follow a "random walk" is to argue that stock prices
A) rise, then fall, then rise again.
B) rise, then fall in a predictable fashion.
C) tend to follow trends.
D) cannot be predicted based on past trends.
D
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Capital and labor are distinct from productivity in that ________
A) productivity is independent of technology changes B) productivity can only increase over time C) productivity is subject to diminishing returns D) capital and labor are subject to diminishing marginal returns
If a union is successful in negotiating a wage rate which is above the market clearing wage, then which of the following would not occur?
A) The higher wages attract more workers leading to a shortage of jobs. B) Management may replace part of the workforce with machinery. C) To handle the surplus of labor the union will form a closed shop. D) The union may shift the supply of labor curve by developing methods to ration jobs.
If the labor force of a country is 100 million, of which 80 million are employed, then the number of unemployed people is 30 million
a. True b. False Indicate whether the statement is true or false
Which of the following will cause a movement from one point on an AD curve to another point on the same AD curve?
A) a change in consumption B) a change in government expenditures C) a change in net exports D) a change in the price level E) all of the above