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Re: st: Expansion Modules


From   Maarten buis <[email protected]>
To   [email protected]
Subject   Re: st: Expansion Modules
Date   Tue, 12 Feb 2008 07:54:58 +0000 (GMT)

--- David Airey <[email protected]> wrote:
> Maybe I understand. As far as I know, nothing is stopping you from  
> building an application that uses Stata, as long as you and your  
> clients have the right licenses, right? So, theoretically, you could 
> build a nice front end to some process, and charge for it. Right? In 
> fact I think there is some precedent to this for a panel data tool  
> (PanelWhiz??).

PanelWhiz can do that relatively easily because the "price" is a
donation to UNICEF for which people can have a sympathie. If you want
to do this commercially there are some practical problems. 

If your program is based on published procedures than everybody can
just make a free program that does the same thing (or more). If it is
not based on published procedures no one is going to trust/buy it.
Users makeing a free version is particularly a danger when you are
thinking of a relatively small command and someone thinks that you are
charging too much, or taking too long to fix a bug, or not implement a
feature request. So you'd have to do a lot of work for relatively
little gain. 

-- Maarten

-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------


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