第五章测试1.In the following equation, gdp refers to gross domestic product, and FDI refers to foreign direct investment.( )
log(gdp) = 2.65 + 0.527log(bankcredit ) + 0.222FDI
(0.13) (0.022) (0.017)
Which of the following statements is then true?
A:If bank credit increases by 1%, gdp increases by log(0.527)%, the level of FDI remaining constant. B:If gdp increases by 1%, bank credit increases by log(0.527)%, the level of FDI remaining constant. C:If bank credit increases by 1%, gdp increases by 0.527%, the level of FDI remaining constant. D:If gdp increases by 1%, bank credit increases by 0.527%, the level of FDI remaining constant.
答案:C
2.In the following equation, gdp refers to gross domestic product, and FDI refers to foreign direct investment ( )
log(gdp) = 2.65 + 0.527log(bankcredit ) + 0.222FDI
(0.13) (0.022) (0.017)
Which of the following statements is then true?
A:If FDI increases by 1%, gdp increases by approximately 24.8%, the amount of bank credit remaining constant. B:If FDI increases by 1%, gdp increases by approximately 26.5%, the amount of bank credit remaining constant. C:If FDI increases by 1%, gdp increases by approximately 22.2%, the amount of bank credit remaining constant. D:If FDI increases by 1%, gdp increases by approximately 52.7%, the amount of bank credit remaining constant. 3.Which of the following correctly represents the equation for adjusted R2? ( )
A:. B:. C:. D: 4.在多元回归中,调整后的决定系数与决定系数的关系为 ( )
A: B: C:与的关系不能确定 D: 5.If a new independent variable is added to a regression equation, the adjusted R2 increases only if the absolute value of the t statistic of the new variable is greater than one. ( )
A:错 B:对
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