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单选题 Lauren and Katy each bought a new bike lock for $20. Both Lauren and Katy would have paid $25 for the lock. Katy's consumer surplus equaled ______【 】
学科：微观经济学原理
时间：2025-12-03 12:08:53
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题目1单选题
At the market equilibrium, when efficiency is attained, the marginal benefit __the marginal cost.【 】A. has no necessary relationship withB. is less thanC. is greater thanD. is equal toE. is equal to the marginal deadweight loss which is equal to
题目2单选题
When Fresh Express Salads decides to mechanically pick all of its lettuce, it directly answers the ________ question.[当Fresh Express Salads决定机械采摘所有生菜时,它直接回答了________问题.] 【 】A. howB. whatC. for whomD. whenE. where
题目3单选题
Lauren and Katy each bought a new bike lock for $20. Both Lauren and Katy would have paid $25 for the lock. Katy's consumer surplus equaled ______【 】A. $5B. $10C. $40D. $20E. $50
题目4单选题
People must make choices because___________【 】A. of scarcityB. most people enjoy shoppingC. there are many goods availableD. the question "What goods and services are produced?" is not adequately answeredE. making choices is in the social interest
题目5单选题
The maximum amount of other goods and services that people are willing to give up in order to get one more unit of a good is defined as the good's_______【 】A. marginal costB. marginal benefitC. total benefitD. total costE. price
题目6单选题
A statement that argues that "if taxes on gasoline increase, gasoline consumption will decrease" is an example of what kind of statement?【 】A. a positive statementB. a normative statementC. a marginal statementD. a macroeconomic statementE. a statement that violates rational choice
题目7单选题
Any point on the production possibility frontier is______【 】A. always production efficient and always allocatively efficientB. always allocatively efficient but might or might not be production efficientC. less production efficient than a point in the interior of the PPFD. attainable and must be allocatively efficientE. attainable and might be allocatively inefficient
题目8单选题
If there is no scarcity,_____________________ 【 】A. an action would have zero opportunity costB. choices are no longer rationalC. all marginal benefits would equal zeroD. marginal cost of an action is greater than its marginal benefitE. the opportunity cost of an action would be greater than its sunk cost
题目9单选题
If the income elasticity of demand for a good is 2, then when income rises 10 percent, the quantity demanded______ 【 】A. decreases 2 percentB. increases 2 percentC. increases 20 percentD. decreases 20 percentE. increases 12 percent
题目10单选题
In a graph, a straight line has a negative slope if the line_______ 【 】A. falls from left to rightB. .rises from left to rightC. is verticalD. is horizontalE. shows a trend
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