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| | '''''Anna M''''' | | '''''Anna M''''' |
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| | '''1. In your own words, try to give a better definition of "externalities" than provided by this Lecture.''' | | '''1. In your own words, try to give a better definition of "externalities" than provided by this Lecture.''' |
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| | Externalities are the results of a good or service that can have benefits or drawbacks for a person not involved with the transaction. | | Externalities are the results of a good or service that can have benefits or drawbacks for a person not involved with the transaction. |
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| | + | :Superb. |
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| | '''2. Explain why marginal revenue must be zero when total revenue is maximized.''' | | '''2. Explain why marginal revenue must be zero when total revenue is maximized.''' |
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| | Because when the total revenue is maximized, it is as high as it can go. | | Because when the total revenue is maximized, it is as high as it can go. |
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| | + | :Right, but some more explanation that addresses marginal revenue would be helpful. (Minus 1) |
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| | '''4. Give an example of a positive externality, and an example of a negative externality. The example does not have to be limited to a business.''' | | '''4. Give an example of a positive externality, and an example of a negative externality. The example does not have to be limited to a business.''' |
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| | If your next-door neighbor buys a plasma TV, and invites you over to watch a game, it is a positive externality. But, if your next door neighbor watches TV late at night on high volume, it can be annoying and is therefore a negative externality. | | If your next-door neighbor buys a plasma TV, and invites you over to watch a game, it is a positive externality. But, if your next door neighbor watches TV late at night on high volume, it can be annoying and is therefore a negative externality. |
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| | + | :Very good. |
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| | '''5. Explain why private firms in the free market are unlikely to try to provide public goods.''' | | '''5. Explain why private firms in the free market are unlikely to try to provide public goods.''' |
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| | Private firms are unlikely to provide public goods, because they would be losing money. Public goods are available to everyone, and therefore aren't going to be in especially high demand. | | Private firms are unlikely to provide public goods, because they would be losing money. Public goods are available to everyone, and therefore aren't going to be in especially high demand. |
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| | + | :Excellent. |
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| | '''6. Review question: the cross-elasticity of A with respect to B is positive, and C with respect to D is negative. What is the relationship (complement or substitute?) of goods A and B with each other, and C and D with each other? Explain.''' | | '''6. Review question: the cross-elasticity of A with respect to B is positive, and C with respect to D is negative. What is the relationship (complement or substitute?) of goods A and B with each other, and C and D with each other? Explain.''' |
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| | Since A & B are positive, they would be substitutes, and since C & D are negative, they would be complements. | | Since A & B are positive, they would be substitutes, and since C & D are negative, they would be complements. |
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| | + | :Correct. |
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| | '''7. List the four factors of production and give a very brief explanation of each.''' | | '''7. List the four factors of production and give a very brief explanation of each.''' |
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| | 4. Entrepreneurship (owners/managers being creative and making their business unique) | | 4. Entrepreneurship (owners/managers being creative and making their business unique) |
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| | + | :Superb. |
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| | + | :Great work. 59/60.--[[User:Aschlafly|Andy Schlafly]] 17:53, 25 November 2009 (EST) |