计量经济学作业

1、计量经济学 系别：国贸系 班级：088商行一班 姓名：王善善勇 学号：200080188149一、数据变换create a 19885 20003data Crr Cu YYr Yu Rpop Pop PP Pr PPu人均消费：geenr C11=(Cr* Rpopp/100+Cu* (1-Rpoop/1000)/P*100人均可支配收入入：genrr Y1=(Yr* RRpop/1100+Yuu* (1-Rpop/100)/P*1000农村人均消费：genr Cr1= Cr /PPr*1000城镇人均消费：genr Cu1= Cu /PPu*1000农村人均纯收入入：genrr Yr1=

2、Yr /Pr*1000城镇人均可支配配收入：geenr Yuu1= Yuu /Pu*100二、图形分析全国消费情况分分析：scaat Y1 C1从图形中看出YY1和C1大大致线形关系系，即人均可可支配收入和和人均消费大大致呈线形关关系。农村消费情况分分析：scaat Yr11 Cr1 从图中可以看出出YR1和CCR1大致符符合线形关系系，所以农村村人均纯收入入和农村人均均消费大致呈呈线形关系城镇消费情况分分析：scaat Yu11 Cu1从图中可以看出出YU1和CCU1大致呈呈线形关系，即即城镇人均可可支配收入和和城镇人均消消费大致呈线线形关系。三、估计线性回回归模型全国消费情况分分析：ls

3、C1 Cyy1Dependeent Vaariablle: C11Method: Leasst SquuaresDate: 004/07/11 Time: 0：088Sample: 19855 20033Includeed obsservattions: 19VariablleCoefficcientStd. Errrort-StatiisticProb.C91.1786668.112599711.2391150.0000Y10.69183380.009455173.2004450.0000R-squarred0.9968337Meaan deppendennt varr648.00665Ad

4、justeed R-ssquareed0.9966551S.DD. deppendennt varr212.37884S.E. off regrressioon12.289881Akaaike iinfo ccriterrion7.9547118Sum squuared residd2567.6669Schhwarz criteerion8.0541333Log likkelihoood-73.569982F-sstatisstic5358.3006Durbin-Watsoon staat1.1461884Proob(F-sstatisstic)0.0000000农村消费情况分分析：ls Cr

5、1 CC Yr1 Dependeent Vaariablle: CRR1Method: Leasst SquuaresDate: 004/07/11 Time: 0：100Sample: 19855 20033Includeed obsservattions: 19VariablleCoefficcientStd. Errrort-StatiisticProb.C106.8722612.3716698.63847790.0000YR10.59997790.021666627.6927750.0000R-squarred0.9783113Meaan deppendennt varr437.670

6、00Adjusteed R-ssquareed0.9770338S.DD. deppendennt varr92.627441S.E. off regrressioon14.036117Akaaike iinfo ccriterrion8.2204553Sum squuared residd3349.2339Schhwarz criteerion8.3198667Log likkelihoood-76.094430F-sstatisstic766.88886Durbin-Watsoon staat0.7411889Proob(F-sstatisstic)0.0000000城镇消费情况分分析：l

7、s Cu1 CC Yu1Dependeent Vaariablle: CUU1Method: Leasst SquuaresDate:044/07/111 Timme: 0：16Sample: 19855 20033Includeed obsservattions: 19VariablleCoefficcientStd. Errrort-StatiisticProb.C149.2033910.85166213.7494460.0000YU10.70492240.007733691.1256660.0000R-squarred0.9979557Meaan deppendennt varr1081

8、.2224Adjusteed R-ssquareed0.9978337S.DD. deppendennt varr339.83339S.E. off regrressioon15.805886Akaaike iinfo ccriterrion8.4579339Sum squuared residd4247.0228Schhwarz criteerion8.5573554Log likkelihoood-78.350042F-sstatisstic8303.8886Durbin-Watsoon staat2.0186118Proob(F-sstatisstic)0.0000000四、回归结果 全国：农村： 城镇： 分析：一。从回回归结果来看看，三个方程程的都很高，说说明人均可支支配收入较好好地解释了人人均消