Re: st: RE: growth rate

["Justina Fischer" <JAVFischer@gmx.de>]

should read as (GDP-L1.GDP)/(GDP)

sorry !
-------- Original-Nachricht --------
> Datum: Wed, 10 Oct 2012 15:45:41 +0200
> Von: "Justina Fischer" <JAVFischer@gmx.de>
> An: statalist@hsphsun2.harvard.edu
> Betreff: Re: st: RE: growth rate

> HI,
> 
> this is an approximation (Taylor), but not the exact growth rate.
> 
> The growth rate is defined as : (GDP-L1.GDP)(GDP)
> 
> Best
> 
> Justina
> -------- Original-Nachricht --------
> > Datum: Wed, 10 Oct 2012 13:39:56 +0000
> > Von: "Swanquist, Quinn Thomas" <qswanqui@utk.edu>
> > An: "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
> > Betreff: st: RE: growth rate
> 
> > If you must use xtset to do this, you can create a new variable to
> > identify the year as follows:
> > 
> > sort id year
> > by id: gen yearid = _n
> > xtset id yearid
> > gen growth=D.loggdp
> > 
> > Alternatively you could use:
> > 
> > sort id year
> > by id: gen growth = loggdp - loggdp[_n-1]
> > 
> > Of course your growth rate is based on unbalanced panel data so you'll
> > need to consider that when using this variable for its intended purpose.
> > 
> > Quinn T. Swanquist
> > qswanqui@utk.edu
> > 
> > -----Original Message-----
> > From: owner-statalist@hsphsun2.harvard.edu
> > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Lynn Lee
> > Sent: Wednesday, October 10, 2012 9:25 AM
> > To: statalist@hsphsun2.harvard.edu
> > Subject: st: growth rate
> > 
> > Nick,
> > 
> > My panel data has 4 years for each country,2007,2002,1997,1995. The gap
> is
> > not same. Therefore, I do not know how to assign value to -delta()- in
> > -xtset-. I figured out why  Stata11 generated all missing values for
> growth
> > rate. But the year gap is unbalanced. I tried -xtset id year,delta(5)-,
> > Stata11 told me "time values with period less than delta() found.
> > 
> > Now, I replace "1995" with "1992" artificially, then I got the growth
> > rate.
> > 
> > But is there any direct way (not need to replace the year artificially)
> > which can generates growth rate for unbalanced year gap panel data?
> > 
> > I appreciate for your help.
> > 
> > Best Regards,
> > Lynn Lee
> > 
> > 
> > -----Original Message-----
> > From: owner-statalist@hsphsun2.harvard.edu
> > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
> > Sent: Wednesday, October 10, 2012 8:49 PM
> > To: statalist@hsphsun2.harvard.edu
> > Subject: Re: st: growth rate
> > 
> > -help xtset- explains about setting by panel and year. Once you have
> done
> > that correctly
> > 
> > gen growth=D.loggdp
> > 
> > is sufficient.
> > 
> > 
> > On Wed, Oct 10, 2012 at 1:41 PM, Lynn Lee <lynn09v@gmail.com> wrote:
> > 
> > > I use -bysort id: gen growth=D.loggdp- to generate growth rate of GDP 
> > > in panel data. I also wrote -xtset year- before this command, but
> > > Stata11 told me "time variable not set". I am assuming this command is
> > > only for time-series data. What about panel? What is the command used 
> > > in panel to generate growth rate?
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> > 
> > 
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> -- 
> 
> 
> 
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