Giovanni and Nick
Thanks a lot
> The finite-sample bias approximations used by xtlsdvc
> requires an estimate of the regression variance. So
> the estimator is implemented into two steps:
> 1) get the variance estimate from residuals obtained
> from some *initial* estimator
> 2) work out bias approximations and correct LSDV
>
> An help file is available with xtlsdvc (-help xtlsdvc-),
> but you might also want to have a look at my
> Stata Journal paper (and the references therein):
>
> "Estimation and inference in dynamic unbalanced panel-data
> models with a small number of individuals,"
> Stata Journal, StataCorp LP, vol. 5(4), pages 473-50
>
>
> Giovanni
>
> [email protected]:
>
>> The error is this
>>
>> xtlsdvc lnrgdpl lnrgdpli lnts lnngd
>> option initial() required
>> r(198);
>>
>> but i don`t know what is an initial option
>> I need a regression of a convergence model
>> like this
>> lnYit= a + b lnYit-1 + d Xit + ni + vt +uit
>> where
>> Yit is per capita gdp
>> and Xit are population growth and interest rate
>>
>> Thanks
>>
>>
>> where: - level of per capita income for i�th country in t�th
> period.,
>> Xi,t � matrix of the variables, which represent the steady state for
>> i�th economy (in logarithms),
>> - individual effect of i�th country,
>> - time specific effect of t�th year,
>> - independent stochastic error term.
>>
>>
>> where: - level of per capita income for i�th country in t�th
> period.,
>> Xi,t � matrix of the variables, which represent the steady state for
>> i�th economy (in logarithms),
>> - individual effect of i�th country,
>> - time specific effect of t�th year,
>> - independent stochastic error term.
>>
>>
>> > -xtlsdvc- requires an -initial()- option.
>> >
>> > Otherwise, to quote the FAQ:
>> >
>> > "Say exactly what you typed and exactly what Stata typed
>> > (or did) in response. N.B. exactly! If you can, reproduce
>> > the error with one of Stata's provided datasets or a simple
>> > concocted dataset that you include in your posting."
>> >
>> > Nick
>> > [email protected]
>> >
>> > [email protected]
>> >
>> >> I`ve tried this
>> >>
>> >> xtlsdvc depvar varlist
>> >>
>> >> But It hasn`t funtioned Could you tell me what it`s wrong?
>> >>
>> >
>> > *
>> > * For searches and help try:
>> > * http://www.stata.com/support/faqs/res/findit.html
>> > * http://www.stata.com/support/statalist/faq
>> > * http://www.ats.ucla.edu/stat/stata/
>>
>>
>>
>> *
>> * For searches and help try:
>> * http://www.stata.com/support/faqs/res/findit.html
>> * http://www.stata.com/support/statalist/faq
>> * http://www.ats.ucla.edu/stat/stata/
>>
>
>
> --
> Giovanni S.F. Bruno
> http://ideas.repec.org/e/pbr136.html
> Istituto di Economia Politica, Universit� Bocconi
> Via U. Gobbi, 5, 20136 Milano
> Italy
> tel. + 02 5836 5411
> fax. + 02 5836 5438
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
