Good morning,
I am soliciting ideas of what you would do in the following situation:
I have two waves of a survey. The survey is not panel data, individuals are not being followed over time. The survey is repeated cross sections.
For the first wave of the survey I have all my variables of interest, plus some instrumental variables which I use in my IV estimation.
For the second wave of the survey, I have all my variables of interest, but I do not have anymore the instrumental variables.
I still want to carry out my IV regressions for the second wave of the survey. What would you do?
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