The Cost Efficiency of the Brazilian Electricity Distribution Utilities: A Comparison of Bayesian SFA and DEA Models

Table 1

Input and Outputs variables.

Type	Variable	Description
Input (DEA) or dependent (BSFA)	OPEX	Operational Expenditure (R$ 1.000).
Output (DEA) or independent (BSFA)	MWh	Energy distributed.
	NC	Units consumers.
	KM	Network distribution length.