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Re: st: Discrete time hazard model-interval censored


From   Nyasha Tirivayi <ntirivayi@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Discrete time hazard model-interval censored
Date   Fri, 27 Aug 2010 19:49:01 +0200

Dear Steve

Thanks for your response. If i use a logistic regression for
transition to employment, do I follow the example below:

 logistic employment beneficiary age gender  if LagEmployment==0

where LagEmployment==0 is previous state of unemployment and
beneficiary indicates participating in a social program.  Do I need to
xtset the data?  And how do I correct for endogeneity of beneficiary
and LagEmployment?

May you kindly advise

Regards

Nyasha Tirivayi
PhD Researcher
Maastricht University
Netherlands

On Fri, Aug 27, 2010 at 7:37 PM, Steve Samuels <sjsamuels@gmail.com> wrote:
> --
>
> With only one interval, a discrete hazard model is _not_ suitable.
> Use a -logistic- (or -cloglog-) model instead.
>
> Steve
>
> Steven J. Samuels
> sjsamuels@gmail.com
> 18 Cantine's Island
> Saugerties NY 12477
> USA
> Voice: 845-246-0774
> Fax:    206-202-4783
>
> On Fri, Aug 27, 2010 at 1:26 PM, Nyasha Tirivayi <ntirivayi@gmail.com> wrote:
>> Dear All
>>
>> I have a dataset on labour force participation in an African country.
>> There are two waves of interviews, January 2009 and August 2009. I am
>> interested in looking at the effects of a social program on the
>> transitions into employment. The survey asked questions like, "are you
>> empoyed at the moment" .  I am especially interested in those who at
>> first interview had were not employed. However ,we do not know exactly
>> the date when they do  get employed, we only have a response at second
>> interview whether they are employed or not.
>>
>> Could anyone advise me if a discrete time hazard model is suitable?
>> What stata methods do I use for the interval censoring? And how do I
>> correct for the selection bias of the social program?
>>
>> May you kindly advise
>>
>> Regards
>>
>> Nyasha Tirivayi
>> PhD researcher
>> Maastricht Graduate School of Governance
>> Maastricht University
>> Netherlands
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