Test for the significance of two regression coefficients

#1
Hey everyone. I am currently doing some regressions for subsamples of my original sample where an indicator equals 1 for the first regression and 0 for the second regression. What test do I have to use, to test for the significance of the two resulting coefficients?
 

hlsmith

Not a robit
#2
It is not clear what you are doing. You are running one regression model, what type (linear, logistic, etc.), and you have a binary or categorical term in the model? Provide more detail, please.
 
#3
I´m running a linear regression model. The variable I want to use to build the subsample is binary (either 0 or 1).

Edit: I think it´s easier to show what I mean with two screenshots. I want to test whether the difference in the two estimates of POST =1 is statistically significant.
 

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