Peruvian Electrical Distribution Firms’ Efficiency Revisited: A Two-Stage Data Envelopment Analysis

The extent to which the structural reform of Peruvian electricity market in 1990s has improved technical efficiency levels distribution companies and whether some firm specific explanatory variables had influenced upon was analysed for first time using a second stage Tobit model study influence on efficiency. Some authors have argued that use regression is inappropriate DEA suggested other recently developed options. Due this, it might be worth revisiting this issue adding those alternative models check conclusions obtained with could upheld. nine estimated allow us confirm incentives generated by process led firms becoming more efficient. Moreover, private management ratio low voltage sales medium each company positively affect efficiency, whereas investment per customer negatively correlated it.