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st: How to get country-specific effects as difference from average effect?


From   "Neumayer,E" <E.Neumayer@lse.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: How to get country-specific effects as difference from average effect?
Date   Fri, 6 Sep 2002 11:21:25 +0100

If I do "reg y x country2-country207" the country-specific dummy variables country2 to country207 are relative to the left out category country1. If I do "reg y x country1-country207, noconst" instead, the constant is dropped and the country-specific dummy variables give each country's level. How do I get Stata to compute country-specific estimates as a difference from the average country effect? I tried "constraint define 1 country1+...+country207=0" and cnsreg, but that does not work. Any help? Thanks, Eric Neumayer
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