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計量經濟學第三版課后習題答案解析-全文預覽

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【正文】 Sum squared resid. dependent var. of regressionMean dependent varAdjusted RsquaredTXCRsquared并且通過以上分析,兩兩被解釋變量之間相關性都很高。但是t檢驗結果表明,國內生產總值對財政收入的影響顯著,但回歸系數的符號為負,與實際不符合。(1)按照設計的理論模型,由Eviews分析得:Dependent Variable: CZSRMethod: Least SquaresDate: 12/24/15 Time: 11:23Sample: 1985 2011Included observations: 27VariableCoefficientStd. ErrortStatisticProb.DurbinWatson statProb(Fstatistic)c)Dependent Variable: LNGDPMethod: Least SquaresDate: 12/24/15 Time: 11:07Sample: 1985 2011Included observations: 27VariableCoefficientStd. ErrortStatisticProb.HannanQuinn criter.FstatisticSchwarz criterionLog likelihoodAkaike info criterionSum squared resid. dependent var. of regressionMean dependent varAdjusted RsquaredLNCPICRsquared(3)由Eviews得:a)Dependent Variable: LNYMethod: Least SquaresDate: 12/24/15 Time: 10:41Sample: 1985 2011Included observations: 27VariableCoefficientStd. ErrortStatisticProb.LNCPIDurbinWatson statProb(Fstatistic)得到的模型方程為:LNY= (2)① ,可決系數很高,明顯顯著。HannanQuinn criter.FstatisticSchwarz criterionLog likelihoodAkaike info criterionSum squared resid. dependent var. of regressionMean dependent varAdjusted RsquaredLNGDPLNCPICRsquared2) F檢驗,F=F()=3,89,回歸方程顯著3) T檢驗,X5 ,大于t(12)=,所以系數是顯著的,即人均GDP對年底存款余額有顯著影響。2) F檢驗,F=F()=3,89,回歸方程顯著3) T檢驗,X1,X2,X3,X4,X5,X6 系數對應的t值分別為:,均小于t(12)=,所以所得系數都是不顯著的。(1)預期的符號是X1,X2,X3,X4,X5的符號為正,X6的符號為負(2)根據Eviews分析得到數據如下:Dependent Variable: YMethod: Least SquaresDate: 12/24/15 Time: 10:13Sample: 1994 2011Included observations: 18VariableCoefficientStd. ErrortStatisticProb.DurbinWatson statProb(Fstatistic)以上分別是y與T,X與T的一元回歸模型分別是:Y = X = + (3)對殘差進行模型分析,用Eviews分析結果如下:Dependent Variable: E1Method: Least SquaresDate: 12/24/15 Time: 09:39Sample: 1 18Included observations: 18VariableCoefficientStd. ErrortStatisticProb.HannanQuinn criter.FstatisticSchwarz criterionLog likelihoodAkaike info criterionSum squared resid4290746.. dependent var. of regressionMean dependent varAdjusted RsquaredTCRsquared(2)用Eviews分析:①Dependent Variable: YMethod: Least SquaresDate: 12/24/15 Time: 09:18Sample: 1 18Included observations: 18VariableCoefficientStd. ErrortStatisticProb.DurbinWatson statProb(Fstatistic)①模型為:Y = + ②對模型進行檢驗:1),說明模型對樣本擬合較好。HannanQuinn criter.FstatisticSchwarz criterionLog likelihoodAkaike info criterionSum squared resid. dependent var. of regressionMean dependent varAdjusted RsquaredXTCRsquared3)t檢驗,均大于t(15)=,所以這些系數都是顯著的。 (2)對于對數模型,用Eviews分析結果如下:Dependent Variable: LNYMethod: Least SquaresDate: 12/24/15 Time: 08:47Sample: 1994 2011Included observations: 18VariableCoefficientStd. ErrortStatisticProb.DurbinWatson statProb(Fstatistic)模型方程為:Y= LNX4+,擬合程度得到了提高,可這樣改進。HannanQuinn criter.FstatisticSchwarz criterionLog likelihoodAkaike info criterionSum squared resid. dependent var. of regressionMean dependent varAdjusted RsquaredX2LNX3LNX4CRsquared3) t的值與臨界值比較,若大于臨界值,則否定原假設,系數都是顯著的;若小于臨界值,則接受原假設,系數不顯著。12Sum Sq. Dev.KurtosisMinimum33Sum Sq. Dev.KurtosisMaximum④用規(guī)范形式寫出檢驗結果如下:Y=— () ()t= () ()R2= F= n=33⑤經濟意義是:全省生產總值每增加1億元。(1)①對于浙江省預算收入與全省生產總值的模型,用Eviews分析結果如下:Dependent Variable: YMethod: Least SquaresDate: 12/23/15 Time: 17:46Sample (adjusted): 1 33Included observations: 33 after adjustmentsVariableCoefficientStd. ErrortStatisticProb.②關于人均壽命與成人識字率模型,由上可知,說明所建模型整體上對樣本數據擬合較好。DurbinWatson statProb(Fstatistic)由上可知,關系式為y=+③關于人均壽命與一歲兒童疫苗接種率的關系,用Eviews分析如下:Dependent Variable: YMethod: Least SquaresDate: 12/23/14 Time: 15:20Sample: 1 22Included observations: 22VariableCoefficientStd. ErrortStatisticProb.HannanQuinn criter.FstatisticSchwarz criterionLog likelihoodAkaike info criterionSum squared resid. dependent var. of regressionMean dependent varAdjusted RsquaredCX2Rsquared 專業(yè)資料整理分享 第二章 簡單線性回歸模型(1) ①首先分析人均壽命與人均GDP的數量關系,用Eviews分析:Dependent Variable: YMethod: Least SquaresDate: 12/23/15 Time: 14:
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