Re: st: Adding a variable to a panel dataset

[Christopher Baum <kit.baum@bc.edu>]

On Oct 1, 2012, at 2:33 AM, Jason wrote:

> I have constructed a panel dataset containing data on +14,000 firms
> from 1998 to 2008.  I created a dummy variable that identifies the
> country where each firm is located (i.e., China, France, Germany,
> Japan, India, UK, or US).
> 
> I now want to add the unemployment rate for each country that would
> map into each firm's panel. That is, I would like a single column that
> would match the country's unemployment rate to the panel of the
> individual firm.
> 
> Is there a relatively easy way to do this?

This is a FAQ:

http://www.stata.com/support/faqs/data-management/group-characteristics-for-subsets/

Kit


Kit Baum   |   Boston College Economics & DIW Berlin   |   http://ideas.repec.org/e/pba1.html
                             An Introduction to Stata Programming  |   http://www.stata-press.com/books/isp.html
  An Introduction to Modern Econometrics Using Stata  |   http://www.stata-press.com/books/imeus.html


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