|
|
CFA Level I：Economics - The Firm and Market Structures 精选题和学习要点; |' K; R$ G6 I. F* `! U2 |9 y# `/ G
Learning Outcome Statements (LOS) ' ]# c g5 o5 j; k9 Z
" M& b& K4 o6 ?9 I/ j" L- t
% y+ p0 L) S( a% p; h9 t6. The following equations have been developed for a company:- ]1 _% C& W1 j" z6 g& n7 R
' Q3 I7 F0 C9 j3 L9 z% S4 A( }The profit maximizing output for this firm (in units) is closest to: ' P8 N" s/ |+ l5 \; ?$ {
A. 7
+ {, \" L! l; Z, ~7 @B. 8 7 p @! q0 L, Z5 @( y+ v% ?( h
C. 11 ( M6 y1 h" ~; ` ^( [7 E s: c
登录回复后可见：答案和详解( [" c; a1 O. Y
Answer：A
% r& ^5 ]8 ^* k8 B& E/ U% _) L* @( u! ]1 ^
3 h3 f" |$ X0 L. {4 p8 z" i8 T
4 k- I3 v# q) o" P' Y4 a( B( ^7. Consider the following data for a firm operating in perfect competition. N* N! g9 k- i! q
- y3 [6 w5 `2 o b& H+ r% s7 [The firm’s profit-maximizing output ( in units) is most likely: * t9 s- ~9 N; I, C0 G3 s
A. 21
# U' v; u. h$ Y; |0 MB. 23
9 g" ]' y8 L) b/ K/ HC. in excess of 24 J9 V8 Y! w" K5 C+ C5 O6 o9 x
% G" a6 K1 g4 M; U4 o- y1 Q
! [' E; `" p3 v: o, u/ l
7 i, c, J: k& r" @0 N* G8. Which of the following statements concerning market structure and Herfindahl-Hirschman Index (HHI) is most accurate? ! `& c( J. B2 n9 N# Z& T7 i K3 d
A. HHI is a useful measure of potential barriers to entry + ~8 y: I+ z. e, w- w5 e2 v$ a0 H
B. Low control over prices is characteristic of oligopolies
6 S3 J- {7 {1 m+ yC. An HHI value of 0.006 indicates that a market is highly competitive
% `' l% S+ P. X1 q3 [Answer：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.
* D+ @' B! e% Q9 [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.
0 C+ I& b* W/ Y" t( [* ^B is incorrect; oligopolies have highly control over prices.
% G" Y; a& a9 Q4 d) u. Y8 ?9 @; M+ S1 ~( y/ H x
# X8 g' l7 O! d8 w
9. In perfectly competitive industries, what is the most likely long-run effect of a permanent decrease in demand?
. a( X$ O. \6 J1 r" aA. Price decreases $ i9 {$ Y# [! ^# I
B. Firms incur economic losses : @6 T, w! F d: c$ ^2 M
C. The number of firms decrease
( E; D- `7 b( E, d! T1 _
5 n7 b7 P. D% `6 K" `5 V4 J" A7 G3 u4 i6 ?: ?: N8 e- R
% @& Y% P6 z9 }6 x& \10. As compared with acting independently, a group of oligopolistic companies operating with perfect cooperation will most likely experience an increase in: + K* x0 J5 t, U& Z: m' e
A. Both output and prices
6 W4 i$ C9 g4 Z7 \, wB. Output and a decrease in prices
. h+ E9 a5 r$ V( d0 ?4 @9 zC. Prices and a decrease in output- f9 H: H' j5 v1 t3 O$ c
/ V: a7 i( l7 M% I; f更多CFA习题可关注：高顿CFA题库.$ Y* {# |- \4 e' u
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！7 C. D) x) K/ n |
Y. r( o1 k+ c" _$ Z
|
|
[复制链接]
发表于 2016-1-27 09:59:00
发表于 2016-3-8 09:52:07
