伍德里奇计量经济学第四章.pdf

伍德里奇计量经济学第四章

name:

log:/Users/wangjianying/Desktop/Chapter4Computer

exercise.smcllogtype:smcl

openedon:25Oct2016,22:20:41

1.dododo

2.****************************Chapter

4***********************************

3.**C1

4.useuseofof

5.des

Containsdatafrom/Users/wangjianying/Documents/dataof

wooldridge/stata/VOTE1.DTAobs:173

vars:1025Jun199914:07

size:4,498

storagedisplayvalue

variablenametypeformatlabelvariablelabel

statestr2%9sstatepostalcode

districtbyte%3.0fcongressionaldistrict

democAbyte%3.2f=1ifAisdemocrat

voteAbyte%5.2fpercentvoteforA

expendAfloat%8.2fcamp.expends.byA,$1000s

expendBfloat%8.2fcamp.expends.byB,$1000s

prtystrAbyte%5.2f%voteforpresident

lexpendAfloat%9.0glog(expendA)

lexpendBfloat%9.0glog(expendB)

shareAfloat%5.2f100*(expendA/(expendA+expendB))

Sortedby:

6.regvoteAlexpendAlexpendBprtystrA

SourceSSdfMSNumberofobs=173

F(3,169)=215.23Model38405.1096312801.7032Prob

F=0.0000

Residual10052.138916959.480112R-squared=0.7926

AdjR-squared=0.7889Total48457.2486172281.728189

RootMSE=7.7123

voteACoef.Std.Err.tP|t|[95%Conf.Interval]lexpendA

6.083316.3821515.920.0005.3289146.837719lexpendB-

6.615417.3788203-17.460.000-7.363246-5.867588

prtystrA.1519574.06201812.450.015.0295274.2743873_cons

45.078933.92630511.480.00037.3280152.82985

7.gencha=lexpendB-lexpendA//varia