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- Tue Aug 28, 2012 9:41 am
- Forum: Econometric Discussions
- Topic: Cobb Douglas with percentage shares
- Replies: 0
- Views: 1894
Cobb Douglas with percentage shares
Dear all I am trying to model an expenditure (E) variable by an income variabel (inc) and a list of percentage (per) variables (such as physician density, share of population older than 60 and so on). Some authors recommend to include all percentage variables only in a natural exponential form, i.e....