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st: RE: How to set up data for estimation


From   "Maarten Buis" <M.Buis@fsw.vu.nl>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: How to set up data for estimation
Date   Thu, 26 Oct 2006 08:16:12 +0200

Nihal Pitigala:
If the data is set up as in the example you show, than you are ready to go: 
just type -reg LnTrade LnTariff LnTransports- (without the hyphens). You 
might want to consider moving into crossed random effects here using 
-xtmixed-, since each pair of countries is nested within its constituent 
countries plus each pair consists of multiple entries, which are again nested 
within sector. The entry for -xtmixed- in the XT manual is good in explaining 
how to set that model up. 
HTH,
Maarten

-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology 
Vrije Universiteit Amsterdam 
Boelelaan 1081 
1081 HV Amsterdam 
The Netherlands

visiting adress:
Buitenveldertselaan 3 (Metropolitan), room Z434 

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------

--- Nihal Pitigala wrote:
Can anyone please tell me how to set up the data to estimate OLS  in stata 
and the set of commands. <snip>  I have country i and j and sector k  as in 
equation LnTRADE jk =  a1LnTARIFF ijk  + 2LnTRANSPORT ijk + uijk 


Data is in the following format:

Country Partner GTAP SectorLn Trade       LnTariff             Ln Transports
Albania Australia       21 agro -3.178341688    2.546306314     1.941615225
Albania Australia       22 milk -4.937585181    3.714802733     2.385086315
<snip> 

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