急!! 經濟高手 請幫解 經濟獨占市場 題目

1. 甲是一名歌手,剛在某唱片公司灌完唱片,以下是他跟唱片公司決定的行銷組合:

price 24 22 20 18 16 14

Number of CDs(單位:千張) 10 20 30 40 50 60

(無固定成本 變動成本為 5$/per CD)

a.Find Total Revenue for Q=10 20 30 and so on. What is the Marginal Revenue for each 10

increase in the Q sold?

b.What Q would Maximize profit? what would the price be? what would the profit be?

c.如果你是甲的經紀人,你會向唱片公司要求多少報酬(recording fee),為什麼?

2.某罐裝水公司為獨占,若當地自來水價格提高,則對該水公司的profit-maximizng levels of

output, price,and profit 有何影響?

3. Explain why a monopolist will always produce a quantity at which the demand curve is elastic?

1 Answer

Rating
  • 1 decade ago
    Favorite Answer

    P 24 22 20 18 16 14

    Q 1萬 2萬 3萬 4萬 5萬 6萬

    TR 24萬 44萬 60萬 72萬 80萬 84萬

    TC   5萬 10萬 15萬 20萬 25萬 30萬

    π  19萬 34萬 45萬 52萬 55萬 54萬

    MR 24萬 20萬 16萬 12萬  8萬  4萬

    MC  5萬  5萬  5萬 5萬 5萬 5萬

    b.What Q would Maximize profit? what would the price be? what would the profit be?

    Q=5萬;P=16萬;π=55萬

    c.答案不確定,因為勞動投入始終為一。可能是25萬

    2. AC與MC皆上升,P上漲Q減少

    3.

    TR=P*Q

    dTR/dQ=MR

    MR=dP/dQ*Q+P

    MR=dP/dQ*Q/P*P+P

    MR=P(1-1/Ed)

    短期利潤極大條件MR=SMC

    SMC -(1)

    MR=P(1-1/Ed) -(2)

    SMC=P(1-1/Ed)

    因為SMC恆為正

    SMC>0 => P(1-1/Ed)>0

    1 > 1/Ed

    ED > 1 #

    2008-01-07 18:36:15 補充:

    C小題有正確解答時可否分享一下

    因為從勞動市場來看的話,L固定為1

    我是從這裡看的SC=w/APL =>W=SC*APL

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