Thanks!
___________________________________
Dr. Sumon Kumar Bhaumik
School of Management and Economics
Queen's University Belfast
25 University Square
Belfast BT7 1NN
Phone: +44 28 9027-3273
Web page: http://www.geocities.com/momchentse/index.html
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Richard Goldstein
Sent: 09 June 2003 20:46
To: [email protected]
Subject: Re: st: Cluster option in Regress command
Use the -xt- commands for time series-cross sectional
data, not the cluster option.
Rich Goldstein
Dr Sumon Bhaumik wrote:
>
> Hi everyone,
>
> I need help with a Stata command. In the "regress" command, there
> is an option "cluster." Apparently, it is used when the data is
> such that some of the observations may be correlated. For example,
> if I estimate a specification using time series-cross section
> pooled data of n banks and t years. Since the portfolios and many
> of the financial ratios of each of the banks, used in the
> specification, may be correlated across the t years, it seems to
> me that I should use the "cluster" option. Am I mistaken? What
> exactly is the econometrics of the "cluster" option? Thanks!
>
> Regards,
>
> Sumon
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