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Re: st: How to use tobit where the low bounds are not fixed for each observation?


From   Austin Nichols <austinnichols@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: How to use tobit where the low bounds are not fixed for each observation?
Date   Wed, 2 Nov 2011 17:31:44 -0400

Yuval Arbel <yuval.arbel@gmail.com>:
Start with -help intreg- but are you willing to assume a particular
distribution (normal)?

On Wed, Nov 2, 2011 at 4:01 PM, Yuval Arbel <yuval.arbel@gmail.com> wrote:
> Dear Statalist Participants,
>
> I am working on land-auction data. The lands are allocated for
> apartment construction or single family units. My question refers to
> the following two groups:
>
> 1. Land auctions with minimum prices (low bounds) where land was
> eventually sold
> 2. Land auctions with minimum prices (low bounds) where land was not
> sold (this is the largest group)
>
> I have two questions:
>
> 1. Is there any available stata command to run a tobit model where the
> low bounds are not fixed? Is there any other procedure for
> left-censored data?
> 2. Is there any possibility to run the first proceudure with the
> heckman correction?
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