Am 25.05.2010 17:02, schrieb Claudio Shikida (敷田治誠 クラウジオ):
Yes, but just as independent variables. I cannot include them as
instruments. That´s my question. Thanks for answering me, but the
problem persists for me. If you can use lags as instruments, so my
version has some bug.
which immediately begs the question which version you are using (and on
which platform) because with currrent 1.9.0 I'm perfectly able to choose
lags as instruments!
-sven