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From |
"Michael Blasnik" <michael.blasnik@verizon.net> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
st: Re: Retrieving coefficients using the xtreg command |

Date |
Wed, 04 May 2005 16:23:47 -0400 |

If you checked help xtreg, you would find that :

predict fixeff, u

should generate the fixed effects in variable fixeff.

You could then:

bysort firmid: keep if _n==1

keep firmid fixeff

and that would create a dataset with just the fixed effects for each firmid

Michael Blasnik

michael.blasnik@verizon.net

----- Original Message ----- From: "John de Figueiredo" <jdefig@MIT.EDU>

To: <statalist@hsphsun2.harvard.edu>

Sent: Wednesday, May 04, 2005 4:04 PM

Subject: st: Retrieving coefficients using the xtreg command

I'm using Stata8.

I want to run a fixed effects (on firmid) regression using the xtreg command. There are 10000 firms.

I then want to used the fixed effects coefficients as dependent variables in a second regression (see David Card, Alan Krueger, Journal of Political Economy, 1992, for example).

I run the regression:

xtreg expend sales rd advertise, fe i(firmid)

Is there a way to retrieve the fixed effects coefficients for each of the 10000 firms using the xtreg command?

If not, is there a way to use the xi:regress command and force it to omit a particular reference case (firmid==10) in order to get the coefficients?

Is there a different (easier) way to do this?

Thanks

John

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**References**:**st: Retrieving coefficients using the xtreg command***From:*John de Figueiredo <jdefig@MIT.EDU>

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