Hello, I am having an issue with running a GMM estimation with Proc Panel. Using "Arellano-Bond GMM dynamic Regression" I can"t find the outcome because of the following error: " No residual in the model to analyze. Computations will not be performed." Here is the code I'm using: ------------------------------------------------------------------------ libname thesis "C:\Users\user\Desktop\thesis"; proc import datafile="C:\Users\user\Desktop\thesis\panelorigdynamicnolib" out=thesis.arabspring dbms=xlsx replace; run; proc panel data=thesis.arabspring; id countryid year; clag GDPC(1) / out=thesis.arabspringlagged; run; proc panel data = thesis.arabspringlagged; id countryid year; instruments depvar; model GDPC = GDPC_1 TRDBAL FDI GGGD COC GE PS RL unemploy inflation populog AS GFC / gmm2 noint nolevels robust artest = 2 maxband = 13; run; -------------------------------------------------------------------------- 5 Countries 15 years 1 DV 8 IVs 3 control variables 2 dummy variables I'm trying to see the impact of the "Arap Spring revolutions" on the Economic Growth I'm looking for your support
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