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【判断题】
总体中各标志值之间的差异程度越大,标准差系数就越小。( )A.
正确
B.
错误
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【简答题】第二章 案例分析 速卖通发布2016全平台入驻新规,全面转型跨境B2C 2015 年12月7日,雨果网获悉,阿里巴巴集团旗下跨境出口电商平台速卖通对外宣布,全平台入驻门槛新规正式发布,将对平台所有行业整体提升商家入驻门槛,全面从跨境C2C转型跨境B2C。 新规最大变化是推出了年费制度和年费返还措施,一方面按照经营大类设置年费,提高准入门槛,另一方面通过“年费返还”等有效激励措施,提振优质国产品牌、...
【单选题】A monopoly has the demand curve q = 10000-100p. Its total cost function is c(q) = 1000+10q. The government plans to tax the monopoly's profits at a rate of 50%. If it does so:
A.
the monopoly will increase its price by 50%.
B.
the monopoly will increase its price by more than 50%.
C.
the monopoly will recover some, but not all of the tax it pays by increasing its price
D.
the monopoly will not change its price or the quantity it sells
【单选题】He must have read that short novel written by Mark Twain, _______?
A.
mustn’t he
B.
didn’t he
C.
hasn’t he
D.
shouldn’t he
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