monop.def

   TR   TC   Q

  Obs: 48 monthly observations for a monopolist firm

	TR = total revenue
	TC = total cost
	 Q = quantity of output


    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
          TR |        48    13846.88    1884.133       8435      17028
          TC |        48    8267.125    3592.924       2839      15690
           Q |        48    161.2917    48.87324         73        248