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st: ask for help about xtabond!

From   li huang <>
Subject   st: ask for help about xtabond!
Date   Mon, 8 Aug 2005 21:15:59 -0700 (PDT)


In Xtabond command, the default for lags is one lag.
But when I was running the command below, the results
obviouly show 2 lags. (totally 337 obs,after using
xtabond, I only got 207 obs).
Could someone tell me why?

thanks in advance for your help.


.insheet lmanux lmanum lmanutb lmanuxx lmanumm lprivo
lpop gtotols lgdp lbmp lcapital year country using
(13 vars, 337 obs)

. encode country, gen(country1)
. iis country1
. tis year

. tsset country1 year
        panel variable:  country1, 1 to 65
         time variable:  year, 1902 to 1907

. xtabond lmanux lprivo lpop gtotols lgdp lbmp
lcapital year country1

Arellano-Bond dynamic panel-data estimation
  Number of obs      =       207

Group variable (i): country1                    Number
of groups   =        65

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