Dear all,
 
I am using the CEM command in Stata to generate a control sample. Given that I am not restricting the matching to a one-to-one solution I need to use weights by setting up [iweight=cem_weights]. However, I don’t find a way to include the weights in the Difference in differences estimation (syntax diff). Would someone have a suggestion on that?

 

Thanks and best regards,

Torb