计量经济学论文(eviews分析) 房价的计量经济分析_第1页
计量经济学论文(eviews分析) 房价的计量经济分析_第2页
计量经济学论文(eviews分析) 房价的计量经济分析_第3页
计量经济学论文(eviews分析) 房价的计量经济分析_第4页
计量经济学论文(eviews分析) 房价的计量经济分析_第5页
已阅读5页,还剩3页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

……………最新资料推荐………………最新资料推荐…………………房价的计量经济分析20豪排行榜上,房地产富豪连年占据半壁江山“于房地产是否归为暴利行业的争执至个因素进行分析。写作方法:理论分析及计量分析方法,将会用到Eviews软件进行帮助分析。关键词:房价成本计量假设检验最小二乘法拟合优度现在我们以2003年的数据,选取30个省市的数据为例进行分析。在Eviews软件中选择建立截面数据。现在我们以2003年的数据,选取31个省市的数据为例进行分析。令Y=各地区建筑业总产值。(万元)X1=各地区房屋竣工面积。(万平方米)X2=各地区建筑业企业从业人员。(人)X3=各地区建筑业劳动生产率。(元/人)X4=各地区人均住宅面积。(平方米)X5=各地区人均可支配收入。(元)数据如下:YX1X3X2X4X5126985214254.800569767.0129961.024.7714013882.625208402.1465.800238957.0147063.023.0957010312.917799313.4748.300989317.070048.0023.167107239.0605401279.1313.300591276.089151.0022.996807005.0302576575.1450.700265953.061074.0020.053107012.900101707943957.100966790.082496.0020.235107240.5803469281.1626.800303837.077486.0020.705907005.1704401878.2181.300441518.068033.0020.492006678.900119580343609.200505185.0153910.029.3453014867.492794935417730.002727006.100569.024.435309262.4603127277916183.902429352.127430.031.0233013179.536227073.4017.600910691.066407.0020.754806778.0305493441.2952.100553611.0108288.030.298709999.5403593356.2750.900574705.070826.0022.619806901.420148136189139.8002072530.60728.0024.480808399.9106345217.3433.600932901.066056.0020.200906926.1208729958.4840.8001048763.81761.0022.902807321.9808188402.4969.7001119106.74553.0024.425807674.200151632428105.0001492820.101932.024.9328012380.432818466.1721.600353700.077472.0024.173207785.040394053.0121.500061210.0055361.0023.432007259.2505862095.4939.600817997.069432.0025.724408093.670122533748784.6002070534.59748.0026.358507041.8702122907.980.3000293310.072152.0018.194306569.2303967957.2248.700522470.069238.0024.929407643.570293427.0121.300036593.0073205.0019.929908765.4504404362.1580.000410311.093212.0021.750506806.3502236860.1327.200449409.046857.0021.113806657.240747325.0242.9000101501.061046.0019.105506745.3201080546.578.700088225.0061459.0022.255006530.4803196774.1450.800203375.095835.0020.781107173.540做多重共线性检验 :可以减少变量使后面的分析变得简洁。X1X2X3X4X5Y0.96087099090.27137519270.53869727900.41830680020.9614738426X1107446607756904195329080420.96087099090.12502937500.47788589150.27985062330.8986725515X207446197319187344358116060.27137519270.12502937500.54088095990.83624084890.4677103837X360775973191699264241600920.53869727900.47788589150.54088095990.68651280850.5897771488X46904118736992610774261270.41830680020.27985062330.83624084890.68651280850.5898233852X5953294435842410774162140.96147384260.89867255150.46771038370.58977714880.5898233852Y0804211606600922612762141可以看出有多重共线性。采取逐步回归法:第一次回归,我们可以根据T检验值和可决系数看出:X1的效果最好:DependentVariable:YMethod:LeastDate:12/06/10 Time:Sample(adjusted):131Includedobservations:31afteradjustmentsVariableX1C

Coefficient1651.403903234.0

Std.87.67703502408.2

t-Statistic18.835081.797809

Prob.0.00000.0826R-squared0.924432Meandependentvar7446408.AdjustedR-squared0.921826S.D.dependentvar7227629.S.E.ofregression2020815.Akaikeinfocriterion31.93824Sumsquaredresid1.18E+14Schwarzcriterion32.03076Loglikelihood-493.0427F-statistic354.7601Durbin-Watsonstat1.930762Prob(F-statistic)0.000000X1X2X2X3拟合优度最大,所以加入X3DependentVariable:YMethod:LeastDate:12/06/10 Time:Sample(adjusted):131Includedobservations:31afteradjustmentsVariableCoefficientStd.Errort-StatisticProb.X11547.35457.8319726.756040.0000X360.575779.1368996.6297950.0000C-3711880.765709.2-4.8476370.0000R-squared0.970594Meandependentvar7446408.AdjustedR-squared0.968493S.D.dependentvar7227629.S.E.ofregression1282914.Akaikeinfocriterion31.05893Sumsquaredresid4.61E+13Schwarzcriterion31.19771Loglikelihood-478.4134F-statistic462.0886Durbin-Watsonstat2.098685Prob(F-statistic)0.000000X3与X5也存在严重共线性,在引入第三个变量时同时排除X5,那只能引入X4了DependentVariable:YMethod:LeastDate:12/06/10 Time:Sample(adjusted):131Includedobservations:31afteradjustmentsVariableCoefficientStd.Errort-StatisticProb.X11569.18666.7446723.510290.0000X364.0494510.562586.0638100.0000X4-69455.16102797.7-0.6756490.5050C-2476469.1985261.-1.2474280.2230R-squared0.971083Meandependentvar7446408.AdjustedR-squared0.967870S.D.dependentvar7227629.S.E.ofregression1295550.Akaikeinfocriterion31.10668Sumsquaredresid4.53E+13Schwarzcriterion31.29171Loglikelihood-478.1536F-statistic302.2316Durbin-Watsonstat2.298423Prob(F-statistic)0.000000但是引入后通过T检验X4不显著,同时常数项C也变得不显著,且拟合度没有显著提高。所以剔除X4。通过该检验最终模型为:Y=1547.354325*X1+60.57576644*X3-3711880.158T=26.756046.629795-4.847637F-statistic354.7601R-squared0.970594Durbin-Watsonstat 2.098685以上指标都显示拟合得很好。异方差检验WhiteHeteroskedasticityTest:F-statistic1.742532Probability0.161697Obs*R-squared8.011602Probability0.155597TestEquation:DependentVariable:RESID^2Method:LeastSquaresDate:12/06/10 Time:Sample:131Includedobservations:31VariableCoefficientStd.Errort-StatisticProb.C-3.19E+124.46E+12-0.7158550.4807X11.15E+083.54E+080.3249150.7479X1^23913.00420466.630.1911890.8499X1*X3-756.30894598.986-0.1644510.8707X369425884952903000.7285720.4730X3^2-184.1939462.0769-0.3986220.6936R-squared 0.258439 Meandependentvar 1.49E+12AdjustedR-squaredS.E.ofregressionSumsquaredresidLoglikelihoodDurbin-Watsonstat

0.110127S.D.dependentvar1.92E+12Akaikeinfocriterion9.25E+25Schwarzcriterion-917.4929F-statistic2.029951Prob(F-statistic)

2.04E+1259.5801959.857741.7425320.161697X-Y的图也较符合线性关系即模型设定没多大问题、且从HeteroskedasticityTest法,只能用加权最小二乘法进行修正。异方差修正---加权最小二乘法DependentVariable:YMethod:LeastDate:12/06/10 Time:Sample(adjusted):131Includedobservations:31afteradjustmentsWeightingseries:1/ABS(RESID)VariableCoefficientStd.Errort-StatisticProb.X11543.8124.266721361.82620.0000X360.882210.92521265.803540.0000C-3721097.59118.40-62.943140.0000WeightedStatisticsR-squared0.999999Meandependentvar7466651.AdjustedR-squared0.999999S.D.dependentvar34381715S.E.ofregression29817.20Akaikeinfocriterion23.53532Sumsquaredresid2.49E+10Schwarzcriterion23.67410Loglikelihood-361.7975F-statistic310479.3Durbin-Watsonstat2.158638Prob(F-statistic)0.000000UnweightedStatisticsR-squared0.970589Meandependentvar7446408.AdjustedR-squared0.968489S.D.dependentvar7227629.S.E.ofregression1283009.Sumsquaredresid4.61E+13Durbin-Watsonstat2.099900通过修正以后拟合度有所提高,且通过再次异方差检验通过了。自相关检验Breusch-GodfreySerialCorrelationLMTest:Obs*R-squared 0.505922 Probability 0.776498TestEquation:DependentVariable:RESIDMethod:LeastSquaresDate:12/06/10 Time:18:26Presamplemissingv

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论