|
|
CFA Level I：Economics - The Firm and Market Structures 精选题和学习要点1 P v. F L. R, I- \3 d6 \
Learning Outcome Statements (LOS)
" u' y. y: z% I
+ s' E. ^0 S( c" U" B6 c. T
# t' q1 {6 r6 n& c$ @% E6. The following equations have been developed for a company:
0 D6 S7 V1 {0 B
/ h! A. [3 {3 H- h1 n: o% { RThe profit maximizing output for this firm (in units) is closest to: [! z6 e% o6 u/ u1 J% t
A. 7
" K9 \- _3 _/ `* W7 r$ m3 }& sB. 8 : ~6 Y+ ?; m! J9 _* y
C. 11 . K [( D- Z* y4 `2 `4 k
登录回复后可见：答案和详解3 J# h+ J) k, {% H$ p5 [
Answer：A
( q; A! e+ u' z+ N5 ~& v
& F) _/ x% a8 I/ s( i
7 T O$ e# ]1 U4 k& [9 U$ R8 Q0 w+ {; K; o. b' y2 L+ }
7. Consider the following data for a firm operating in perfect competition.
' ?4 V: V) |" i9 q
6 B1 \$ V0 K" ^The firm’s profit-maximizing output ( in units) is most likely:
$ a. ]! j% c5 z4 C& C6 k; qA. 21
8 ^! ^ x( f2 ?. C: B$ ?# EB. 23
0 _; S: t: h8 D: ]( w6 }% g4 k" _C. in excess of 24
% i5 G2 x3 P2 u& ~3 A1 T% t# }& w. p- D: M
/ g: i+ _: }5 D8 F @9 |: x* O& o, S: r1 ]2 W* q
8. Which of the following statements concerning market structure and Herfindahl-Hirschman Index (HHI) is most accurate? ) q& H4 H$ ~6 N `% ?
A. HHI is a useful measure of potential barriers to entry % j- f- m9 r7 K: ?1 [0 E
B. Low control over prices is characteristic of oligopolies
; T6 }! n, ~3 Q) A- a! ?) |C. An HHI value of 0.006 indicates that a market is highly competitive
5 R, r9 i& l. P$ U tAnswer：C; the HHI value of 0.006, which is very smaller, means that the concentration of this market is low, so it is highly competitive.
* s7 v o5 |' R+ Q* p; `* {A is incorrect; HHI does not take the possibility to entry into account, so it’s not a useful measure of potential barriers to entry.
: ~4 z C" c4 ^6 Q1 \5 e- I# @B is incorrect; oligopolies have highly control over prices.
7 M2 X' \$ Q' W+ T- {& {6 P+ C4 a/ Z' w
, {. O- H3 D% q5 J$ g$ d9. In perfectly competitive industries, what is the most likely long-run effect of a permanent decrease in demand?
( v. V; W p6 C) P6 _& o% l2 E2 gA. Price decreases
& }: ~- v% D U3 b) TB. Firms incur economic losses
9 Y& H; A) i' g# l# j$ fC. The number of firms decrease+ ?: Z6 W# \7 ~3 m, |: X+ t
6 b5 P% ^) w. W5 L
2 f* ~+ p9 f9 E7 K% i8 B
/ J& n7 t$ w1 _, x10. As compared with acting independently, a group of oligopolistic companies operating with perfect cooperation will most likely experience an increase in: 8 g- {0 |: {. l& h" Q1 A
A. Both output and prices
3 g# [+ A- s5 j D i& a2 `B. Output and a decrease in prices
6 e& u4 ^! l) \. i5 L& MC. Prices and a decrease in output
( L# p# E2 i, u! k( R& e" E
7 M: h7 @# k' j% Q更多CFA习题可关注：高顿CFA题库.4 ]# B: w! _( E% c
关注：这里是华尔街（ID:CFA-online）公众号，每天读点金融，离梦想近一点！
5 ]: D4 X' E: C& }1 ^4 J; u* u! l! d! G$ T( u2 P5 K. E
|
|
[复制链接]
发表于 2016-1-27 09:59:00
发表于 2016-3-8 09:52:07
