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st: Re: st: Re: st: RE: Truncated sample or Heckman selection
From
Joerg Luedicke <[email protected]>
To
[email protected]
Subject
st: Re: st: Re: st: RE: Truncated sample or Heckman selection
Date
Thu, 4 Oct 2012 16:45:59 -0500
On Thu, Oct 4, 2012 at 4:34 PM, Ebru Ozturk <[email protected]> wrote:
> For Tobit regression, the dependent variable is the percent of total firm sales revenues that derived from the sales of new products. Therefore, it is censored as sales of new products can only be zero or positive.
>
This just isn't a censoring problem. Consider having a look at:
http://en.wikipedia.org/wiki/Censoring_%28statistics%29
Joerg
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