Dear all,
I thought ml d0 method allowed for frequency weights!. I am trying to use such weights in a ml d0 panel code (likelihood contributed by a group of observations in the sample so that the linear-form restriction is not met) and finding the following error massage:
mlsum must be over the entire estimation sample when weights are specified
Am I correct? Any idea of what is going on?
Best wishes,
Alfonso.
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Alfonso Miranda
PhD Student
Economics Department
University of Warwick
Coventry CV4 7AL
E-mail:[email protected]
WebPage: http://www.warwick.ac.uk/go/amiranda
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