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計量經(jīng)濟(jì)學(xué)期末試卷(編輯修改稿)

2025-04-21 07:57 本頁面
 

【文章內(nèi)容簡介】 適當(dāng)?shù)淖儞Q消除異方差,并給與證明。六、案例分析題(20分)分析財政支農(nóng)資金結(jié)構(gòu)對農(nóng)民收入的影響,令Y(元)表示農(nóng)民人均純收入。X1(億元)表示財政用于農(nóng)業(yè)基本建設(shè)的支出,X2(億元)表示財政用于農(nóng)村基本建設(shè)支出,X3(億元)表示農(nóng)業(yè)科技三項費用,X4(億元)表示農(nóng)村救濟(jì)費。建立如下回歸模型Eviews輸出結(jié)果如下: 表1:Dependent Variable: YSample: 1985 2003Included observations: 19VariableCoefficientStd. ErrortStatisticProb. CX1X2X3X4Rsquared Mean dependent varAdjusted Rsquared . dependent var. of regression Akaike info criterionSum squared resid Schwarz criterionLog likelihood FstatisticDurbinWatson stat Prob(Fstatistic)表2:Dependent Variable: YSample: 1985 2003Included observations: 19VariableCoefficientStd. ErrortStatisticProb. CX1X4Rsquared Mean dependent varAdjusted Rsquared . dependent var. of regression Akaike info criterionSum squared resid Schwarz criterionLog likelihood FstatisticDurbinWatson stat Prob(Fstatistic)表3:White Heteroskedasticity Test:Fstatistic ProbabilityObs*Rsquared ProbabilityDependent Variable: RESID^2Sample: 1985 2003Included observations: 19VariableCoefficientStd. ErrortStatisticProb. CX1X1^2X4X4^2Rsquared Mean dependent varAdjusted Rsquared . dependent var. of r
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