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【单选题】
The following simple model is used to determine the annual savings of an individual on the basis of his annual income and education. Savings = β 0 +∂ 0 Edu + β 1 Inc+u The variable ‘Edu’ takes a value of 1 if the person is educated and the variable ‘Inc’ measures the income of the individual. Refer to the model above. The inclusion of another binary variable in this model that takes a value of 1 if a person is uneducated, will give rise to the problem of _____.
A.
omitted variable bias
B.
self-selection
C.
dummy variable trap
D.
heteroskedastcity
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参考答案:
举一反三
【单选题】考虑二元函数f(x,y)的下面四个性质 (1)f(x,y)在点(x,y)处连续; (2)f(x,y)在点(x,y)处的两个偏导数连续; (3)f(x,y)在点(x,y)处可微; (4)f(x,y)在点(x,y)处的两个偏导数存在; 若用P=>Q表示可由性质P推出性质Q,则有( )
A.
(2)=>(3)=>(1)
B.
(3)=>(2)=>(1)
C.
(3)=>(4)=>(1)
D.
(3)=>(1)=>(4)
【单选题】词法分析器作为独立的阶段使整个编译程序结构更加简洁、明确,因此, 。
A.
词法分析器应作为独立的一遍
B.
词法分析器作为子程序较好
C.
词法分析器分解为多个过程,由语法分析器选择使用
D.
词法分析器并不作为一个独立的阶段
【单选题】两个耦合电感在串联时,顺接和反接的等效电感相差( )。
A.
3M
B.
4M
C.
2M
D.
M
【简答题】设置文字的闪烁效果的具体闪烁次数时,可以打开动画窗格-计时— 。
【简答题】眼的最主要组成部分是( )。A.眼睑 B.泪器 C.眼球 D. C.结膜
【单选题】IAS 16 requires a revaluation surplus resulting from initial revaluation of PPE to be treated in one of the following ways -
A.
Credited to retained earnings as an unrealised gain
B.
Debited to the class of PPE that is being revalued and credited to a equity
C.
Credited to long-term provisions and added to the PPE
D.
Released to the income statement over the life of the PPE
【判断题】IAS 7 requires statement of cash flows to report cash flows during the period classified by operating , investing and financing activities.
A.
正确
B.
错误
【单选题】词法分析器作为独立的阶段使整个编译程序结构更加简洁、明确,因此,_______。
A.
词法分析器应作为独立的一遍
B.
词法分析器作为子程序较好
C.
词法分析器分解为多个过程,由语法分析器选择使用
D.
词法分析器并不作为一个独立阶段
【判断题】For a hyperinflationary environment, the IAS 29 requires that restatement of primary financial statement information.
A.
正确
B.
错误
【简答题】制作PPT时,设置文字的闪烁效果的具体闪烁次数时,可以打开动画窗格-计时— 。
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