In the Syntax section of the SAS 9.2 documentation, the TEST statement fails to document cross-equation hypothesis test functionality which is supported in the procedure. You can use y.x to refer to parameter on x in the equation for y when testing hypothesis involving cross-equation parameters. For example, the following TEST statement tests the hypothesis that the coefficient on x2 in equation y1 is equal to the coefficient on x2 in equation y2:

   proc qlim data = one ;
      model y1 = x1 x2 ;
      model y2 = x2 x3 ;
      endogenous y1 y2 ~ discrete ;
      test y1.x2 = y2.x2 ;
   run;

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