2. 某獨占廠商所面對的需求函數如下： Q = 30 − 3P 其中，Q是需求量、P是商品價格。假設該廠商的生產成本固定，每個商品的生產成本都是6 元，且無固定成本，並假設該商品可以無限分割。請問該商品甲、最適定價為何？ (2分)

4. Bud and Wise are the only two producers of aniseed beer, a New Age product designed to displace root beer. Bud and Wise are trying to figure out how much of this new beer to produce. They know: (i) If they both limit production to 10,000 gallons a day, they will make the maximum attainable joint economic profit of $200,000 a day, or $100,000 a day each. (ii) If either firm produces 20,000 gallons a day while the other produces 10,000 a day, the one that produces 20,000 gallons will make an economic profit of $150,000 and the other will incur an economic loss of $50,000. (iii) If both produce 20,000 gallons a day, each firm will make zero economic profit. (1) Construct a payoff matrix for the game that Bud and Wise must play. (5 分)

2. 某獨占廠商所面對的需求函數如下：
Q = 30 − 3P
其中，Q是需求量、P是商品價格。假設該廠商的生產成本固定，每個商品的生產成本都是6
元，且無固定成本，並假設該商品可以無限分割。請問該商品
甲、最適定價為何？ (2分)

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