
economitrics-异方差01
Authored by yu lin
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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(单选题)()是具有一定概率分布的变量,其数值由模型确定。
内生变量
外生变量
前定内生变量
滞后变量
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
(多选题)计量经济模型的基本应用领域包含()
结构分析
政策效果评价
经济预测
检验经济理论
消费需求分析
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
(多选题)变量之间的关系可以分为三大类,分别是
相关关系
函数关系
没有关系
线性关系
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(单选题)下列那一项说明模型出现了异方差问题()
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(单选题)下列哪一项属于异方差的来源()
模型设定出现错误
使用时间序列数据来建模
样本容量偏大
经济变量之间具有共同的变化趋势
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
(多选题)下列哪一些属于古典假设()
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