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Re: st: efficient method for rolling postestimation

From   Robert A Yaffee <>
Subject   Re: st: efficient method for rolling postestimation
Date   Mon, 06 Dec 2010 08:14:45 GMT

  You might want to try the cusum test contained in the cusum6.ado file available from ssc, or if you are using a Bai-Perron test, you might consider the cusum command within Stata.

Robert A. Yaffee, Ph.D.
Research Professor
Silver School of Social Work
New York University



----- Original Message -----
Date: Saturday, December 4, 2010 6:38 pm
Subject: st: efficient method for rolling postestimation

> Hello Statalist,
> I am calculating rolling exposures of a set of several stocks' returns 
> to a single risk factor.  In each estimation window I want to test the 
> hypothesis that the exposures are equal and save a relevant test 
> statistic along with the estimated coefficients.  I can use the 
> rolling command on sureg to compute and save the rolling coefficients, 
> but what about performing the postestimation?  I assume the best way 
> to do this is to write my own program that performs both the surreg 
> and the postestimation, and apply the rolling prefix to this program.  
> Is this the "correct" way to go about this type of analysis?  If not, 
> what would you recommend? 
> Thanks,
> Daniel
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