Publishing in open-access journals could be low in cost.
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举一反三
- 下列哪些资源可以在网上免费下载全文？ A: DOAJ(Directory of Open Access Journals) B: WOS（Web of Science) C: FMJ(Free Medical Journals) D: HighWire Press
- In short run the shutdown point is that point at which A: price equals marginal cost. B: average fixed cost equals marginal cost. C: average variable cost equals marginal cost. D: average total cost equals marginal cost.
- What is special about open-access journals A: A higher frequency of citation. B: A collection of valuable data. C: Hard-won prominence. D: Established reputation.
- Air transport is characterized by low fixed and high variable cost.
- If, in long run equilibrium, the competitive price of some good is $16.67, then, for each and every firm in the industry, A: marginal cost > average cost = $16.67. B: marginal cost < average cost = $16.67. C: $16.67 = marginal cost = average cost. D: $16.67 = marginal cost > average cost.
内容
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Sunkcost is another term for historical cost or past cost.
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After constructing a new factory, the cost of building the factory is a A: past cost. B: sunk cost. C: variable cost. D: None of the above answers are correct.
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Opportunity cost of an action is A: the best choice that can be made. B: the money cost. C: the absolute cost. D: the comparative cost. E: the highest-valued alternative forgone.
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Pipeline is low cost and reliable. Is it true? （）
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Plastic bags are useful for holding many kinds of food ______ their cleanness, toughness and low cost.