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st: programming


From   "Naceur Khraief" <nkhraief@ecn.ulaval.ca>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: programming
Date   Wed, 3 Nov 2004 20:28:18 -0500

Dear stata users,
 I work on panel selection models to study the pricing-to-market
> behaviour of canadian pork.
>  My first question is:
> I would like to run the wooldridge tow steps principle estimation:
> First step: panel tobit with fixed effects estimation.
> Second step: OLS estimation.
> What's the appropriate stata program can I use for the Wooldridge
> principle estimation?
> My second question is:
> the food price index series is released quarterly in Australia ( it is
> only a quarterly series). I want to transform this series in monthly
> one. I want to use the Kalman filter,But Can I program this with stata?
> how?
> Thanks in advance and kind regards.
> Naceur Khraief


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