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【单选题】
若【图片】、【图片】，建立回归模型【图片】，利用EG两步法对时间序列{【图片】}、{【图片】}进行协整检验，则下列说法正确的是（ ）A.
EG 两步法需要分别将 { }、{ } 进行一阶差分
B.
EG 协整检验是 双 侧检验
C.
EG 两步法需要用 OLS 法估计残差序列
D.
拒绝原假设说明被检验变量之间不存在协整关系
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举一反三
【单选题】The first step in initiating competitive marketing strategies is to ________.
A.
balance customer and competitor orientations
B.
design broad competitive marketing strategies
C.
assess long-term organizational objectives
D.
conduct competitor analysis
【简答题】marketing strategies
【单选题】金钱不是万能的,钱买不到友情,买不到健康,也买不到快乐,所以有钱人不一定都幸福。 ★ 根据这段话,可以知道:
A.
金钱是最重要的
B.
金钱能买到一切
C.
有钱不一定幸福
D.
有钱人都很快乐
【判断题】Marketing planning does not involve choosing the right marketing strategies.
A.
正确
B.
错误
【简答题】A major aspect of many firms marketing strategies over the past decade have been the development of new products.【M1】______ Consumer-product companies are launching nearly 30,000 new products each yea...
【单选题】下列不属于酒瘾者临床特点的是
A.
对饮酒渴求、无法控制
B.
患者必须在固定的时间饮酒
C.
耐受性逐渐增加，饮酒量增多
D.
少出现戒断症状
E.
反复出现戒酒后重新饮酒
【单选题】It can be argued that much consumer dissatisfaction with marketing strategies arises from an inability to aim advertising at only the likely buyers of a given product. There are three groups of consum...
A.
They can be used only when direct selling is not economically feasible.
B.
They are used only for very expensive products.
C.
They are rarely used in marketing programs for industrial products.
D.
They are used only when direct selling has not reached the appropriate segment.
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