Stochastic random-effects frontier with time-varying inefficiency

[GUIRA Asmo]

Hello to everyone
I am a PhD student in Economics at the Thomas Sankara University in Burkina Faso. I am working on fertilizer subsidies and household technical efficiency using panel data. Thus, to take into account time and heteroscedasticity of inefficiency, I intend to use a stochastic random-effects frontier with time-varying inefficiency. However, I do not fully understand the estimation procedure. could I have some support on the procedure and the orders. Thank you

[GUIRA Asmo]

hi

[GUIRA Asmo]

ATT ATU ATE, afer Endogenous Swicth Regression

I use the ESR modèle to estime the effet of subsidies on Food security. After I need the ATT ATU and ATE with the standard error and so on. When I predict only there are not these parameters. I ask a command can help I to have these parameters. I need also tests to verify the robustess of my ATT ATE ATU.

I have another question about the propensity score matching (PSM). Indeed, my variable of treatment is binary (1=subsidy and 0= otherwise). My outcome variable est also binary (1= food security and 0 otherwise). It is possible to use PSM in this situation. If yes, wath command.

Please I need some responses about these questions and thanks you.