Simone Caberte Naimer, João Serafim Tusi da Silveira, Lucas Veiga Ávila, Julio Cezar Mairesse Siluk, ESTIMATION OF STOCHASTIC FRONTIER COST EFFICIENCY FOR COMPANIES IN THE ELECTRICITY DISTRIBUTION SECTOR IN BRAZIL, Simpósio de Pesquisa Operacional e Logística da Marinha - Publicação Online, Volume 1, 2014, Pages 840-844, ISSN 21756295, http://dx.doi.org/10.5151/marine-spolm2014-127178 (www.proceedings.blucher.com.br/article-details/estimation-of-stochastic-frontier-cost-efficiency-for-companies-in-the-electricity-distribution-sector-in-brazil-9908) Palavras-chave:: ;