Re: 黃仁德總經討論大會(已內含資料請看)
這是原本的:
1. logC(t) = alogC(t-1)+blogY(t)+e(t)
2. logC(t) = alogC(t-1)+blogY(t-1)+e(t)
3. logC(t) = alogC(t-1)+br(t-1)+u(t)
4. logC(t) = a+blogY(t)
5. logC(t) = logC(t-1)+logS(t-1)+logS(t-2)
6. logC(t) = logC(t-1)+logS(t)+logS(t-1)+logS(t-2)
我發現第5及第6式怪怪的,我check一下:
第5式在Hall Paper p.982:
new5.logC(t) = a+logC(t-1)+logC(t-2)+logC(t-3)+logC(t-4)
第6式在Hall Paper p.984:
new6.logC(t) = a+logC(t-1)+logS(t-1)+logS(t-2)+logS(t-3)+logS(t-4)
另外,我記得老師上課有提到stock price的當期影響,
要我們再跑出第6式之外,再跑第7式,也就是加入S(t)這個變數,
new7.logC(t) = a+logC(t-1)+logS(t)+logS(t-1)+logS(t-2)+logS(t-3)+logS(t-4)
但是這樣一來就不只六式了,所以我也不確定。
最後,採用靖翰的作法,只對消費做季節調整,之後再取log。
(折騰我的總經作業.........(倒))
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