Dear Listers
I have panel data on which I am perform a regression including some interactions between the independent variables. My fixed effects specifaction takes up quite a lot of the variance in my dependent variable as a result my R squares is over 80%.
I think one of my independents is endogenous but have no clue on what the vaild instrument variable could be. Is there a way that I can conduct this regression without the use of an instrument variable?
Colin
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