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Dive into the research topics where Giancarlo Aquila is active.

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Featured researches published by Giancarlo Aquila.


Entropy | 2017

Entropic Data Envelopment Analysis: A Diversification Approach for Portfolio Optimization

Paulo Rotela Junior; Luiz Célio Souza Rocha; Giancarlo Aquila; Pedro Paulo Balestrassi; Rogério Santana Peruchi; Liviam Soares Lacerda

Recently, different methods have been proposed for portfolio optimization and decision making on investment issues. This article aims to present a new method for portfolio formation based on Data Envelopment Analysis (DEA) and Entropy function. This new portfolio optimization method applies DEA in association with a model resulting from the insertion of the Entropy function directly into the optimization procedure. First, the DEA model was applied to perform a pre-selection of the assets. Then, assets given as efficient were submitted to the proposed model, resulting from the insertion of the Entropy function into the simplified Sharpe’s portfolio optimization model. As a result, an improved asset participation was provided in the portfolio. In the DEA model, several variables were evaluated and a low value of beta was achieved, guaranteeing greater robustness to the portfolio. Entropy function has provided not only greater diversity but also more feasible asset allocation. Additionally, the proposed method has obtained a better portfolio performance, measured by the Sharpe Ratio, in relation to the comparative methods.


Revista Eletrônica Produção em Foco | 2016

Modificações em Eficiência de Máquinas e seu Impacto na Produtividade: Avaliação Através da Simulação a Eventos Discretos

Luiz Célio Souza Rocha; Giancarlo Aquila; Marcelo Nunes Fonseca; Edson de Oliveira Pamplona; Anderson Paulo de Paiva

O processo de transformacao da bobina de aluminio em lata e bastante extenso e complexo. Neste contexto, surge a simulacao, ferramenta com potencial para captar a complexidade dinâmica que muitas empresas enfrentam atualmente, possibilitando o estudo de cenarios sem que seja necessario construi-los na realidade. O objetivo desse trabalho e avaliar o desempenho de uma linha de producao de uma fabrica de latas de aluminio, localizada no sul do estado de Minas Gerais, visando proporcionar um conhecimento mais profundo do sistema, alem de possibilitar maior consistencia na tomada de decisao no que diz respeito a melhoria de produtividade. Para tal, a metodologia utilizada foi a modelagem (IDEF-SIM) e simulacao a eventos discretos por meio do software Promodel®. Foram gerados dois cenarios, um otimista com 20% de reducao da ineficiencia das maquinas Bodymaker, Printer, InsideSpray e Necker e outro pessimista com aumento de 20% da ineficiencia das mesmas maquinas. Os resultados obtidos permitem concluir que uma piora da eficiencia das maquinas nao resultou em uma diferenca de desempenho estatisticamente significativa da linha de producao, porem, quando se melhora a eficiencia das maquinas os resultados foram beneficos e estatisticamente significativos, aumentando a produtividade do sistema, que e almejada pelos gestores.


Renewable & Sustainable Energy Reviews | 2017

An overview of incentive policies for the expansion of renewable energy generation in electricity power systems and the Brazilian experience

Giancarlo Aquila; Edson de Oliveira Pamplona; Anderson Rodrigo de Queiroz; Paulo Rotela Junior; Marcelo Nunes Fonseca


Journal of Cleaner Production | 2016

Wind power generation: An impact analysis of incentive strategies for cleaner energy provision in Brazil

Giancarlo Aquila; Luiz Célio Souza Rocha; Paulo Rotela Junior; Edson de Oliveira Pamplona; Anderson Rodrigo de Queiroz; Anderson Paulo de Paiva


Energy Economics | 2017

Wind power feasibility analysis under uncertainty in the Brazilian electricity market

Giancarlo Aquila; Paulo Rotela Junior; Edson de Oliveira Pamplona; Anderson Rodrigo de Queiroz


Renewable & Sustainable Energy Reviews | 2018

A stochastic economic viability analysis of residential wind power generation in Brazil

Luiz Célio Souza Rocha; Giancarlo Aquila; Paulo Rotela Junior; Anderson Paulo de Paiva; Edson de Oliveira Pamplona; Pedro Paulo Balestrassi


Measurement | 2018

Analysis of the wind average speed in different Brazilian states using the nested GR&R measurement system

Giancarlo Aquila; Rogério Santana Peruchi; Paulo Rotela Junior; Luiz Célio Souza Rocha; Anderson Rodrigo de Queiroz; Edson de Oliveira Pamplona; Pedro Paulo Balestrassi


Journal of Petroleum Science and Engineering | 2017

Oil price volatility: A real option valuation approach in an African oil field

Marcelo Nunes Fonseca; Edson de Oliveira Pamplona; Victor Eduardo de Mello Valerio; Giancarlo Aquila; Luiz Célio Souza Rocha; Paulo Rotela Junior


Journal of Cleaner Production | 2017

Photovoltaic electricity production in Brazil: A stochastic economic viability analysis for small systems in the face of net metering and tax incentives

Luiz Célio Souza Rocha; Giancarlo Aquila; Edson de Oliveira Pamplona; Anderson Paulo de Paiva; Bruno Chieregatti; João de Sá Brasil Lima


Solar Energy | 2018

Multi-objective optimization applied for designing hybrid power generation systems in isolated networks

Marcelo Nunes Fonseca; Edson de Oliveira Pamplona; Anderson Rodrigo de Queiroz; Victor Eduardo de Mello Valerio; Giancarlo Aquila; Saulo Ribeiro Silva

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Edson de Oliveira Pamplona

Universidade Federal de Itajubá

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Luiz Célio Souza Rocha

Universidade Federal de Itajubá

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Paulo Rotela Junior

Federal University of Paraíba

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Anderson Paulo de Paiva

Universidade Federal de Itajubá

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Marcelo Nunes Fonseca

Universidade Federal de Itajubá

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Pedro Paulo Balestrassi

Universidade Federal de Itajubá

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Rogério Santana Peruchi

Universidade Federal de Itajubá

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