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| | '''1. Define, in your own words, economic “efficiency”. Use it in an example sentence.''' | | '''1. Define, in your own words, economic “efficiency”. Use it in an example sentence.''' |
| | Minimum waste, with maximum output. If every one arrived at work on time, didn’t take smoking breaks and socialize, both the company and the employees would be more successful. | | Minimum waste, with maximum output. If every one arrived at work on time, didn’t take smoking breaks and socialize, both the company and the employees would be more successful. |
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| | + | :Superb five-word definition. The best yet! Good elaboration also. |
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| | '''2. Suppose the cross elasticity of demand for goods A and B is +3.8, and for goods X and Y is -2.7. What can you conclude about the relationship of the goods A and B, and of X and Y?''' | | '''2. Suppose the cross elasticity of demand for goods A and B is +3.8, and for goods X and Y is -2.7. What can you conclude about the relationship of the goods A and B, and of X and Y?''' |
| | A + B are substitutes | | A + B are substitutes |
| | X + Y are complements | | X + Y are complements |
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| | + | :Correct. |
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| | '''3. Suppose it costs you $500 to make your first 5 units, then $200 to make your next 5 units, and then $100 to make your next 5 units. Costs do not decrease further for you. What is the marginal cost for you to make another unit?''' | | '''3. Suppose it costs you $500 to make your first 5 units, then $200 to make your next 5 units, and then $100 to make your next 5 units. Costs do not decrease further for you. What is the marginal cost for you to make another unit?''' |
| | $20 | | $20 |
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| | + | :Correct again. |
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| | '''4. Suppose your annual income increases from $20,000 to $25,000. Suppose your demand for steak increases by 10% and your demand for fast food hamburgers decreases by 5%. Which type of goods are steak, and which type are hamburgers?''' | | '''4. Suppose your annual income increases from $20,000 to $25,000. Suppose your demand for steak increases by 10% and your demand for fast food hamburgers decreases by 5%. Which type of goods are steak, and which type are hamburgers?''' |
| | Stakes are a normal good and fast food ham burgers are inferior. | | Stakes are a normal good and fast food ham burgers are inferior. |
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| | + | :Right, but note: "steak", not "stake". |
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| | '''5. What is the basic assumption of the Coase theorem, and why is that assumption so important to the result of the theorem?''' | | '''5. What is the basic assumption of the Coase theorem, and why is that assumption so important to the result of the theorem?''' |
| | Without transaction costs to gum the works, there would always be successful economic results between people, because "if there is a will there is a way" in the free market. It important because it operates without regard to a person’s wealth, race, sex or nationality. | | Without transaction costs to gum the works, there would always be successful economic results between people, because "if there is a will there is a way" in the free market. It important because it operates without regard to a person’s wealth, race, sex or nationality. |
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| | + | :Superb answer, may use as a model. |
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| | '''6. What does an owner do when his marginal revenue exceeds his marginal cost? Explain.''' | | '''6. What does an owner do when his marginal revenue exceeds his marginal cost? Explain.''' |
| | He keeps doing what ever he is doing, because he is making money. | | He keeps doing what ever he is doing, because he is making money. |
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| | + | :Excellent. |
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| | '''7. What does the Coase theorem say about the desirability, and the effect, of government regulations that increase transaction costs?''' | | '''7. What does the Coase theorem say about the desirability, and the effect, of government regulations that increase transaction costs?''' |
| | It says that they are the gum that messes up the economic machine. The less, the better. | | It says that they are the gum that messes up the economic machine. The less, the better. |
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| | + | :Terrific. |
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| | + | :Superb, perfect work! 70/70. Congratulations!!! |
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| | {{[[''''']{<.ARAN M.>}[''''']]}} | | {{[[''''']{<.ARAN M.>}[''''']]}} |