单选题 An analyst is investigating one stock with high after-tax return above the benchmark and is concerned about his perceptions of slowdown in the macroeconomic next year. So he adjusts the historical probability of the stock's return above the benchmark. The analyst is best characterized as gaining a(n):

A、

A. a priori probability.
B、

B. objective probability.
C、

C. empirical probability.

【正确答案】 A

【答案解析】An empirical probability is established by analyzing past date; A priori probability determined using a formal reasoning and inspection process; A subjective probably is the least formal method of developing probabilities and involves the use of personal judgment. So a priori probability reflects the analyst's perceptions.