1. C

    IV regression Stata interpretation

    Dear all, I have an endougenous variable x and an instrument for it, variable z. The instrument is (significantly) negatively related to x. I expect a positive effect of my endogenous variable x on y, my dependent variable. When using 2SLS ivreg in Stata does this mean that (because of the...
  2. S

    Interpretation of significant nested term in linear mixed model

    Hello! I ran a linear mixed model and used a nested term as random factor and it turned out to be significant. How do you interpret it and what does it imply for further analyses? Thanks for your help!