課程名稱：經濟學
課程性質：必修
課程範圍：生產者決策的基礎、獨占、不完全競爭市場
開課教師：曾巨威教授
開課學院：社科院
開課系級：經濟系
考試日期(年月日)：98/04/21
考試時限(Mins)：110mins
試題本文：
一、假設市場為完全競爭(perfect competition)，請按下列敘述詳細解釋其意。
(1)A perfectly competitive firm faces a demand curve that is horizontal
at the market price.
(2)A competitive firm's supply curve is its MC curve for all prices above
AVC,and a vertical line at zero units for all prices below AVC.
二、Assumed that the market for carboard is perfectly competitive. In each of
the following scenarios, should a typical firm continue to produce or
should it shut down in the short run? Draw a diagram that illustrate the
firm's situation in each case.
(1) minimum ATC =$2.00
minimum AVC =$1.50
market price=$1.75
(2) MR =$1.00
minimum AVC =$1.50
minimum ATC =$1.75
三、假設市場為獨占(monopoly)，請按下列敘述詳細解釋其意。
(1)All else equal, a monopoly market will have a higher price and lower
output than a perfectly competitive market.
(2)Price discrimination occurs when a firm charge different price to
different customers for reasons other than difference in costs.
四、Draw demand, MR, and ATC curves that show a monopoly that is just
breaking even.
五、假設市場為獨占性競爭(monopolistic competition)，請按下列敘述解釋其意。
(1)Under monopolistic competition, firms can earn positive or negative
economic profit in the short run. But in the long run, free entry and
exit will ensure that each firm earns zero economic profit, just as
under perfect competition.
(2)In the long run, a monopolistic competitor will operate with excess
capacity─that is, it will not sell enough output to achieve to
minimum cost per unit.
六、假設市場為寡占(Oligopoly)，請按下列敘述詳細解釋其意。
(1)Game thoery means an approach to modeling the strategic interaction
of oligopolists in terms of moves and countermoves.
(2)A Nash equilibrium is a contribution of strategies in which each player
is making the best choice for him or herself, give the choice of all
players.
七、試解釋下列各名詞︰
(1) Tacit collusion
(2) Cartel
(3) Antitrust Law
(4) nonprice competition
(5) payoff matrix
※ 編輯: yggub 來自: 140.119.130.44 (06/23 13:09)