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st: Re: Lags and panel data


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Re: Lags and panel data
Date   Mon, 15 Jun 2009 19:47:14 +0200

<>

Does -xtabond- not calculate the lags needed for its purposes on the fly?

***
webuse abdata, clear
keep n w k ys yr1980 yr1981 yr1982 yr1983 yr1984 year id
xtabond n l(0/1).w l(0/2).(k ys) yr1980-yr1984, lags(2)
***


HTH
Martin _______________________ ----- Original Message ----- From: "Solorzano Mosquera, Jenniffer" <JENNIFFERS@Contractual.iadb.org>
To: <statalist@hsphsun2.harvard.edu>
Sent: Monday, June 15, 2009 7:40 PM
Subject: st: Lags and panel data


Hi!

I've been trying to set my dataset as panel data with

tsset idstd_2003 year , yearly

And then try to calculate lags for different variables an use the
xtabond estimation method. But when I try to generate the lag for the
dummy variable "capacita"...

g lagcapacita = l.capacita

...I just get missing values.

I have a panel of 1173 firms for 2 years. Could anyone tell me what it could be possibly wronged? Thanks!

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