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st: foreach for interaction term
From
Barbara Engels <[email protected]>
To
[email protected]
Subject
st: foreach for interaction term
Date
Tue, 24 May 2011 15:52:55 +0200
Dear Stata-Experts,
i want to construct an interaction term, consisting of the import shares of different countries and the R&D stocks of the countries. i.e. my interaction term should be
usa_ims*usabrd for the usa interaction term (import shares ims times business r&D stocks brd)
and so on.
my try:
foreach `foreign' ger_ims bel_ims chin_ims usa_ims uk_ims it_ims switz_ims {
2. ge foreignbrd*=`foreign'*(*brd)
3. }
needless to say that it didn't work.
can anybody help?
Thank you!!
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