22 Dec
2014
22 Dec
'14
3:01 p.m.
Hi Torb,
I'm not super familiar with the "diff" command, but a quick search seems
to
imply that you should use "[weight=cem_weights]" instead of "iweight."
Hope
that helps!
Cheers,
Matt
~~~~~~~~~~~
Matthew Blackwell
Assistant Professor of Government
Harvard University
url: http://www.mattblackwell.org
On Thu Dec 11 2014 at 6:29:32 AM Luck MS <torben_pt(a)hotmail.com> wrote:
Dear all,
I am using the CEM command in Stata to generate a control sample. Given
that I am not restricting the matching to a one-to-one solution I need to
use weights by setting up [iweight=cem_weights]. However, I don’t find a
way to include the weights in the Difference in differences estimation
(syntax diff). Would someone have a suggestion on that?
Thanks and best regards,
Torb
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