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Re: st: Matched Pairs, Treatment-Control, Interrupted Panel Study -- What Model will Work?


From   Austin Nichols <austinnichols@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Matched Pairs, Treatment-Control, Interrupted Panel Study -- What Model will Work?
Date   Mon, 4 Jun 2012 13:52:06 -0400

Jenny Day <jennieday@gmail.com>:
Some kind of regression is indicated--what is the outcome variable?
What are the relevant control variables?
Are there different pre- and post-treatment trends in both?

On Fri, Jun 1, 2012 at 3:43 AM, Jenny Day <jennieday@gmail.com> wrote:
> Hi Out There!
>
> I have a beautiful balanced panel dataset from 1998 to 2011, of election
> results (incumbents re-elected, party turnover, voter turnout, etc.) for
> municipalities in the USA, with no missing values.  I have matched 25
> treatment cities to 25 control cities. All of the treatment cities
> experienced a certain policy shock at different times between 2007 and
> 2011; the control cities are similar in demographic composition and
> region, but did not experience the shock.  I also have relevant control
> variables from the Census data.
>
> In summary, I have a setup for a matched-pairs, treatment-control,
> interrupted panel study.  I want to use a panel method to estimate the
> effect of that shock.  I am writing to this list because I am not sure
> what statistical method is suitable for this type of study.
>
> Does anyone have any suggestions?
>
> Thanks!!
> Jennie

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