Re: st: Constant in logit panel fixed and panel logit 2SLS

[qingjing zhang <qjzhang1014@gmail.com>]

Thanks!

On 8 February 2014 02:37, Steve Samuels <sjsamuels@gmail.com> wrote:
>
>
>
>
>>
>> On Feb 7, 2014, at 5:14 PM, qingjing zhang <qjzhang1014@gmail.com> wrote:,
>>
>> I am using panel logistic regressions on my data with Stata 12.
>> However, I met some difficulties.
>>
>> First, I do not understand why the logit fixed effect command
>> (xtlogit, fe) produce a regression without a constant term.
>
>
> Because -xtlogit- is equivalent to conditional logistic regression (-clogit-) as the
> Manual entry makes clear (p.232 XT )
>
>
> Typing
> . xtlogit , fe
> is equivalent to typing
> . clogit , group(varname i)
>
>>
>> Second, to solve the endogeneity problem, I need to use the 2SLS for
>> the panel logit model. I checked some reference, and found that I
>> could do the panel 2SLS using (xtivreg) and logit 2SLS using
>> (ivprobit) or (sspecialreg). However, I do not know how to do the
>> logit panel 2SLS in STATA.
>
>
> I don't know the answer to this one.  Note that correct spelling is "Stata" not "STATA"
>>
>
> Steve Samuels
> sjsamuels@gmail.com
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