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Mathematical Problems in Engineering
Volume 2013, Article ID 128309, 9 pages
Research Article

Evaluating Energy Sector Investments: Calculating Volatility

1Institute of Production Engineering and Management, Federal University of Itajuba, Avenida Bps 1303, Itajuba, MG 37500-903, Brazil
2Institute of Electrical Engineering, Federal University of Itajuba, Itajuba, MG, Brazil

Received 2 April 2013; Revised 11 October 2013; Accepted 14 October 2013

Academic Editor: Chien-Yu Lu

Copyright © 2013 Edson de Oliveira Pamplona et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

How to Cite this Article

Edson de Oliveira Pamplona, Marina Carvalho Brandão, José Arnaldo Barra Montevechi, Alexandre Ferreira de Pinho, Valério Oscar Albuquerque, and Paulo Rotela Junior, “Evaluating Energy Sector Investments: Calculating Volatility,” Mathematical Problems in Engineering, vol. 2013, Article ID 128309, 9 pages, 2013.