[单选]新车为正常商品。如果汽油价格上涨,钢铁价格下跌,公共交通变得更便宜更舒适,汽车工人接受更低的工资,汽车保险变得更贵,新车的均衡价格会发生什么变化?
A. 价格会上涨。
B. 价格会下跌。
C. 价格将保持不变。
D. 价格变化会不明确。
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[单选]市场中企业投入成本的降低将导致a(n)
A. 均衡价格下降,均衡数量增加。
B. 均衡价格下降,均衡数量减少。
C. 均衡价格增加,均衡数量减少。
D. 均衡价格增加,均衡数量增加。
[单选]大学的足球场在足球比赛中永远不会超过半座。这表明
A. 票价高于均衡价格。
B. 票价低于均衡价格。
C. 票价为均衡价格。
D. 与均衡价格无关。
[单选]In general, elasticity is a measure of
A. the extent to which advances in technology are adopted by producers.
B. the extent to which a market is competitive.
C. how firms’ profits respond to changes in market prices.
D. how much buyers and sellers respond to changes in market conditions.
[单选]If the price of natural gas rises, when is the price elasticity of demand likely to be the highest?
A. immediately after the price increase
B. one month after the price increase
C. three months after the price increase
D. one year after the price increase
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