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Re: st: Data Envelopment Analyses


From   Sarfraz Khan <sarkhan3@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Data Envelopment Analyses
Date   Tue, 30 Jul 2013 09:04:17 -0500

When I run their dea.ado file, I get following message.

variable i undeclared
variable dmui undeclared
(693 lines skipped)

When I run malmq.ado file (and thats what I will probably need).

. program define deamain, rclass
deamain already defined


Thank Anders for help.



On Tue, Jul 30, 2013 at 8:32 AM, Anders Alexandersson
<andersalex@gmail.com> wrote:
> How did you specify the -dea-,command and what was the error message?
>
> Anders Alexandersson
> andersalex@gmail.com
>
> On Tue, Jul 30, 2013 at 9:17 AM, Sarfraz Khan <sarkhan3@gmail.com> wrote:
>> Thanks Scott for reply. I used those files but whenever I run their
>> ado files, I get an error messgae so I am unablet to use their
>> program.
>>
>> Again, thanks for reply.
>>
>> On Tue, Jul 30, 2013 at 6:37 AM, Scott Merryman
>> <scott.merryman@gmail.com> wrote:
>>> It not clear to me what the problem is performing the analysis at the
>>> industry level.
>>>
>>> That said, you check out -dea- by  Yong-bae Ji and Choonjoo Lee (and
>>> Stata Journal article "Data envelopment analysis" Stata Journal,
>>> volume 10, number 2
>>>     http://www.stata-journal.com/article.html?article=st0193 )
>>>
>>> and the presentation and materials by Choonjoo Lee, Kyoung-Rok Lee,
>>> Byung-Ihn Lim "Malmquist Productivity Analysis using DEA Frontier in
>>> Stata" from the Stata Conference Chicago 2011
>>>   http://econpapers.repec.org/paper/bocchic11/21.htm
>>>
>>>
>>> Scott
>>>
>>>
>>>
>>> On Mon, Jul 29, 2013 at 12:58 PM, Sarfraz Khan <sarkhan3@gmail.com> wrote:
>>>> Hello All:
>>>>
>>>> I have a big panel dataset (150,000 observations) and I want to use
>>>> Data Envelopment Analyses (DEA)  methodology to calculate efficiency
>>>> of lets say production (with production
>>>> as output and four other input variables). However, my problem is that I
>>>> want to do that for every 2-digit industry code. I am wondering if there is
>>>> an efficient way to do so.
>>>>
>>>> Does anyone know how to do it?
>>>>
>>>> Thanks,
>>>> Sarfraz
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