差分序列做出来的模型是这样的
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dp | Coef. Std. Err. t P>|t| [95% Conf. Interval]
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dm2 | .3514474 .218097 1.61 0.110 -.081359 .7842539
dpe | -.0037892 .0141501 -0.27 0.789 -.0318695 .0242912
dt | .00551 .0054939 1.00 0.318 -.0053925 .0164126
dr | -.0003146 .0024584 -0.13 0.898 -.0051932 .004564
dc | -.0004285 .0390047 -0.01 0.991 -.0778322 .0769751
div | .0010123 .001906 0.53 0.597 -.0027701 .0047947
_cons | .0013041 .0033143 0.39 0.695 -.005273 .0078813
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因为想要研究货币政策和财政政策对房地产价格的影响所以不想把变量去掉