34. Which of the following factors would least likely intensify competition within an
industry?
A. Many suppliers.
B. Ease of entry.
C. Commodity product.
答案是Ａ，我觉Ａ也是加重竞争的呀，给解释一下．
25. An analyst gathered information about three economic variables, He noted that
whenever variable A increased by one unit, variable B increased by 0,5 units but
variable C decreased by 0.5 units. The correlation between variables A and B and
the correlation between variables A and C respectively, are closest to:
Correlation between variables A and B Correlation between variables A and C
A 0.5 ‐1.0
B 0.5 ‐0.5
C 1.0 ‐1.0
A. Answer A
B. Answer B
C. Answer C
答案是ｃ，为何ｂ不对呀？ |
发表于 2013-9-12 20:48
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