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Re: st: How to generate a table with the outcomes of unit-root tests from unbalanced panel?


From   Yuval Arbel <yuval.arbel@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: How to generate a table with the outcomes of unit-root tests from unbalanced panel?
Date   Fri, 18 Nov 2011 07:52:56 +0200

I believe what I need is to construct a macro with -foreach- command
and for each appt number to carry out the -dfuller- command.
However, I don't know how exactly to construct such a macro. Can you assist me?

On Thu, Nov 17, 2011 at 5:58 PM, Austin Nichols <austinnichols@gmail.com> wrote:
> Yuval Arbel <yuval.arbel@gmail.com>:
> I doubt you really want -dfuller- output.  You should read at minimum:
> http://www.econ.cam.ac.uk/faculty/pesaran/lm.pdf
> http://www.econ.cam.ac.uk/faculty/pesaran/wp11/Interpretation-Panel-Unit-September-2011.pdf
> and see especially the lit review in the second for recent work.
>
> On Thu, Nov 17, 2011 at 10:05 AM, Muhammad Anees <anees@aneconomist.com> wrote:
>> -Dfuller- runs regression where the Z(t) is the coefficient of the
>> estimated lagged Dep.Var with D.(Dep.Var) as the dependent variable.
>> Using the estout option after the regress command could do what you
>> want.
>>
>> example is give from my results
>>  energyusekt |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
>> -------------+----------------------------------------------------------------
>>  energyusekt |
>>         L1. |   .0349052   .0078295     4.46   0.000      .018976    .0508345
>>             |
>>       _cons |   384.8409   365.0711     1.05   0.299    -357.9018    1127.584
>> ------------------------------------------------------------------------------
>>
>> . estimates store a
>>
>> . esttab
>>
>> ----------------------------
>>                      (1)
>>             D.energyus~t
>> ----------------------------
>> L.energyus~t       0.0349***
>>                   (4.46)
>>
>> _cons               384.8
>>                   (1.05)
>> ----------------------------
>> N                      35
>> ----------------------------
>> t statistics in parentheses
>>
>> Now using other Stata tools, it can easily be exported.
>> regress d.energyusekt l.energyusekt
>> On Thu, Nov 17, 2011 at 7:49 PM, Yuval Arbel <yuval.arbel@gmail.com> wrote:
>>> Dear statalist participants,
>>>
>>> I have an unbalanced panel of apartments, which contains 9,547 apartments.
>>>
>>> I ran the following commands:
>>>
>>> . tsset t
>>>        time variable:  t, 1 to 507798
>>>                delta:  1 unit
>>>
>>> . dfuller reduct_per if appt==2851
>>>
>>> Dickey-Fuller test for unit root                   Number of obs   =        27
>>>
>>>                               ---------- Interpolated Dickey-Fuller ---------
>>>                  Test         1% Critical       5% Critical      10% Critical
>>>               Statistic           Value             Value             Value
>>> ------------------------------------------------------------------------------
>>>  Z(t)             -0.891            -3.736            -2.994            -2.628
>>> ------------------------------------------------------------------------------
>>> MacKinnon approximate p-value for Z(t) = 0.7910
>>>
>>> . dfuller reduct_per if appt==2862
>>>
>>> Dickey-Fuller test for unit root                   Number of obs   =        37
>>>
>>>                               ---------- Interpolated Dickey-Fuller ---------
>>>                  Test         1% Critical       5% Critical      10% Critical
>>>               Statistic           Value             Value             Value
>>> ------------------------------------------------------------------------------
>>>  Z(t)             -6.784            -3.668            -2.966            -2.616
>>> ------------------------------------------------------------------------------
>>> MacKinnon approximate p-value for Z(t) = 0.0000
>>>
>>> . dfuller reduct_per if appt==2906
>>>
>>> Dickey-Fuller test for unit root                   Number of obs   =        94
>>>
>>>                               ---------- Interpolated Dickey-Fuller ---------
>>>                  Test         1% Critical       5% Critical      10% Critical
>>>               Statistic           Value             Value             Value
>>> ------------------------------------------------------------------------------
>>>  Z(t)             -1.313            -3.518            -2.895            -2.582
>>> ------------------------------------------------------------------------------
>>> MacKinnon approximate p-value for Z(t) = 0.6233
>>>
>>> . dfuller reduct_per if appt==2907
>>>
>>> Dickey-Fuller test for unit root                   Number of obs   =       103
>>>
>>>                               ---------- Interpolated Dickey-Fuller ---------
>>>                  Test         1% Critical       5% Critical      10% Critical
>>>               Statistic           Value             Value             Value
>>> ------------------------------------------------------------------------------
>>>  Z(t)             -2.647            -3.509            -2.890            -2.580
>>> ------------------------------------------------------------------------------
>>> MacKinnon approximate p-value for Z(t) = 0.0836
>>>
>>> Now, I would like to produce a table where for each apartment I attach
>>> the full output of dfuller
>>>
>>> I wonder, how can I produce such a table in a way that it can be
>>> exported in xls. or csv. formats:
>>>
>>> I thank you in advance for your assistance.
>
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>



-- 
Dr. Yuval Arbel
School of Business
Carmel Academic Center
4 Shaar Palmer Street, Haifa, Israel
e-mail: yuval.arbel@gmail.com

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