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Re: st: Heckman model and survival analysis


From   scott hershberger <slhershberger@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Heckman model and survival analysis
Date   Sat, 12 May 2012 15:27:56 -0700

Thank you very much Cam.

I work for a company that provides assessment data to potential
employers for applicants. We often  produce survival curves for how
long employees remain on the job once employed. The problem is that we
believe these survival curves might not adequately represent the
strength our assessment system, because besides being selected based
on our assessment system, there are unknown factors which cause a job
applicant to be selected or not selected for a job.  We wanted to
apply Heckman’s model to take into account these selection effects,
but within the context of a survival analysis.


Scott

-----Original Message-----


On Sat, May 12, 2012 at 3:21 PM, Cameron McIntosh <cnm100@hotmail.com> wrote:
> Scott,
> You aren't describing your situation in much detail... but start here, in any event:
>
> Boehmke, F.J., Morey, D., & Shannon, M. (2006). Selection Bias and Continuous-Time Duration Models: Consequences and a Proposed Solution. American Journal of Political Science, 50(1), 192-207.
>
> Cader, H.A., & Leatherman, J.C. (2009). Small business survival and sample selection bias. Small Business Economics, 37, 155-165.
>
> Cam
>
>> Date: Sat, 12 May 2012 13:24:02 -0700
>> Subject: st: Heckman model and survival analysis
>> From: slhershberger@gmail.com
>> To: statalist@hsphsun2.harvard.edu
>>
>> I hope someone can provide some guidance with a statistical problem I'm
>> having. I would like to directly apply the Heckman selection bias model to
>> a survival analysis. Has anyone encountered this before?
>>
>> Thanks very much in advance for your help.
>>
>> Scott Hershberger
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