Questions tagged [regression]

Techniques for analyzing the relationship between one (or more) "dependent" variables and "independent" variables.

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Combining regression estimates by summing

I want to know if one can combine regression estimates from panel regressions when the new dependent variable is a sum of the dependent variables from previously estimated regressions. To be ...
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Do I need Sargan test with equal numbers of instruments and endogenous variables when one instrument can affect more than one endogenous variables?

I have a instrumental variable logistic regression I run with three instruments (z1, z2, z3) and three endogenous variables (k1, k2, k3). Therefore, since the number of instruments "3" equals the ...