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Re: Please respect requests in the FAQ (again) [was: Re: st: FW: Fixed effects]


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: Please respect requests in the FAQ (again) [was: Re: st: FW: Fixed effects]
Date   Wed, 6 Feb 2013 10:38:41 +0000

incomplete. (I filtered it out mentally because it was all lower
case.)

Nick

On Wed, Feb 6, 2013 at 10:36 AM, Nick Cox <njcoxstata@gmail.com> wrote:
> Mohamud and others tempted to post similarly using Greek characters
> should look at
>
> http://hsphsun3.harvard.edu/cgi-bin/lwgate/STATALIST/archives/statalist.1302/date/article-134.html
>
> The Harvard archives show how such characters in your post will look
> to many list members (not all, but I believe most).
>
> In a word: unreadable.
>
> The FAQ is plain on this point: you are asked to use plain text, not
> any kind of formatting. Just because your mailer will let you do it,
> it is not universally readable.
>
> I raised this point only a matter of hours ago.
>
> The FAQ also explains that incomplete references such as Greene (2008)
> are deprecated on this list.
>
> Nick
>
> On Wed, Feb 6, 2013 at 10:26 AM, Mohamud Hussein
> <Mohamud.Hussein@fera.gsi.gov.uk> wrote:
>> Sorry all, I should have added the specification of model that I run:
>>
>> Cit =αi+ βxit + zitγ + δt + εit.
>>
>>
>> αi=intercept
>>
>> δi = dummy intercept.
>>
>> The basic model is described in Greene(2008): econometric analysis, 6th Ed., page 197; but I added interactions and implemented it such that I can run it to estimate directly the coefficients for the first group (dummy=0) and difference between the two groups on interaction between a variable and the dummy. In this setting, I think, the coefficient on P_O is  0.0066293 for group with dummy (1.gt287) =0 , and 0.0066293+0.4754795 for group with dummy=1.
>>
>> I would be grateful if you can tell me:
>> 1.  whether I implemented the model correctly;
>>
>> 2. and what the insignificant difference between intercepts(α and δ) and highly significant difference between the coefficients for variables x and agr_score10 mean, bearing in mind that the dummy intercept represent the size of the firm in this case?
>>
>> I also welcome any general comment on the results.
>>
>> For description of the problem, dummy set up and full model output see my previous email below. Note that z= Y_TCOST10, agr_score10 and enforcement10.
>>

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