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【多选题】
根据科斯定理A.
当市场不能产生有效率的结果时，政府应当配置资源
B.
若交易成本为零，财产权明确与否并不影响市场交易的效率
C.
当交易成本不为零时，市场交易不是有效率的结果
D.
若交易成本为零，则只要产权明确，市场交易可以导致有效率的结果
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举一反三
【单选题】The first significant progress in transport in ancient times was attributed to______.
A.
the making of carts and wagons
B.
the construction of roads
C.
the invention of wheels
D.
the building of tracks
【简答题】In ancient times the most important examinations were spoken, not written. In the schools of ancient Greece and Rome, testing usually was made up of saying poetry aloud and giving speeches. In the Eur...
【简答题】In ancient times, the most important examination was spoken, not written. In the schools of ancient Greece and Rome, testing usually consisted 小题1: saying poetry aloud or giving speeches. Generally, h...
【简答题】In ancient times, the most important examination was spoken, not written. In the schools of ancient Greece and Rome, testing usually consisted 31 saying poetry aloud or giving speeches. Genera...
【简答题】Since ancient times, the value of chicken soup
【简答题】C______ with other countries was difficult in ancient times.
【简答题】两家电动自行车生产厂家正在各自推出一款新型电动自行车上市。厂家1每辆车的平均成本为2000元，质量也好一些；厂家2每辆车的成本为1600元，质量稍差些。但消费者并不知道二者之间的差别，都愿意以2100元购买。如果消费者能认识到两种车的差别，消费者就愿意用2400元购买厂家1的车，而只愿意用1900元购买厂家2的车。厂家1策划推出一个产品质量保证，在售出后一定的年限内实行免费保修，以表明自己产品的质...
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