where TC is defined as the total costs; i P is the vector of input prices; i Q is a vector of variable outputs; and i D is a vector of fixed netputs. This model is estimated using maximum likelihood estimation.
where TC is defined as the total costs; i P is the vector of input prices; i Q is a vector of variableoutputs; and i D is a vector of fixed netputs. This model is estimated using maximum likelihoodestimation.