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      MARKET EFFICIENCY: APPLICATION OF THE CONCEPT TO THE SUCROALCOOLEIRO SECTOR OF PARAÍBA Translated title: EFICIÊNCIA DE MERCADO: UMA APLICAÇÃO NO SETOR SUCROALCOOLEIRO DA PARAÍBA

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          Abstract

          ABSTRACT Purpose: This article has as main objective to analyze the efficiency of the sugar and ethanol market in Paraíba, through the cointegration test. Design/methodology/approach: To this end, historical series of sugar and ethanol from the Paraíba market were used, collected at BM&FBOVESPA and CEPEA. As for the methods, the Descriptive Statistics metrics were applied to describe the series’ behaviors, the Dickey-Fuller Increased Unit Root Test to verify stationarity, and finally the Cointegration Test, to analyze the long-term relationship. Findings: The results indicated a behavior with several oscillatory movements in the series prices. Regarding the stationarity of the series, the variables in sight and future of the Paraíba market, a non-stationary process was presented. Finally, the series were estimated to have no cointegration. Thus, we can conclude that the sugar and alcohol sector in the Paraiba market is inefficient, that is, commodities deviate from the real market value. Research limitations/implications: In the unfolding of this research, a limitation was evident during the exploratory phase, such as: Restrictions on the period of data on sugar and hydrated ethanol available at CEPEA and BM & FBOVESPA, mainly with regard to the cash price and future variables of the Paraiba market. Practical implications: In this research, it can be seen that the Paraíba market would be considered efficient if it reflected the information available in commodity prices, making abnormal gains impossible. Originality/value: A study on market efficiency is relevant, as it makes it possible to identify patterns of behavior of asset prices in the market. That is, they can assess whether asset prices are being overvalued and how it affects the investor and the Brazilian economy.

          Translated abstract

          RESUMO Objetivo: Este artigo tem como principal objetivo analisar a eficiência do mercado de açúcar e etanol da Paraíba, mediante o teste de cointegração. Design/metodologia/abordagem: Para tanto, utilizaram-se séries históricas do açúcar e etanol do mercado paraibano, coletados na BM&FBOVESPA e na CEPEA. Quanto aos métodos, aplicaram-se as métricas de Estatísticas Descritiva para descrever os comportamentos das séries, o Teste Raiz Unitária Aumentado de Dickey-Fuller para verificar a estacionariedade, e por fim o Teste de Cointegração, para analisar a relação a longo prazo. Resultados: Os resultados indicaram um comportamento com diversos movimentos oscilatórios nos preços das séries. Quanto a estacionariedade das séries, as variáveis à vista e futuro do mercado paraibano, apresentou-se processo não estacionário. Por fim, as séries estimaram-se que não há cointegração. Podendo assim, concluir que o setor sucroalcooleiro do mercado paraibano é ineficiente, ou seja, as commodities desviar o valor real de mercado. Implicações/limitações da pesquisa: No desdobramento desta pesquisa, ficou evidente uma limitação no decorrer da fase exploratória, como: Restrições no período dos dados do açúcar e etanol hidratado disponíveis na CEPEA e BM&FBOVESPA, principalmente no que se refere as variáveis de preço à vista e futuro do mercado paraibano. Implicações práticas: Nesta pesquisa, podem-se constatar que o mercado paraibano seria considerado eficiente se refletisse as informações disponíveis nos preços das commodities, impossibilitando ganhos anormais. Originalidade/valor: Estudo sobre eficiência de mercado é relevante, pois possibilita identificar padrões de comportamento dos preços de ativos no mercado. Isto é, podem avaliar se os preços dos ativos sendo supervalorizadas e como isso afeta o investidor e a economia brasileira.

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          Most cited references42

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          Statistical analysis of cointegration vectors

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            MAXIMUM LIKELIHOOD ESTIMATION AND INFERENCE ON COINTEGRATION - WITH APPLICATIONS TO THE DEMAND FOR MONEY

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              Efficient Capital Markets: A Review of Theory and Empirical Work

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                Author and article information

                Journal
                reaufsm
                Revista de Administração da UFSM
                Rev. Adm. UFSM
                Universidade Federal de Santa Maria (Santa Maria, RS, Brazil )
                1983-4659
                March 2021
                : 14
                : 1
                : 138-161
                Affiliations
                [2] Recife Pernambuco orgnameFederal Rural University of Pernambuco Brazil
                [1] João Pessoa Paraíba orgnameRural Federal University of Pernambuco Brazil
                Article
                S1983-46592021000100138 S1983-4659(21)01400100138
                10.5902/1983465939181
                e4ae6bc8-0304-458f-bbcc-e2e04df32f30

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 11 October 2020
                : 22 July 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 42, Pages: 24
                Product

                SciELO Brazil

                Categories
                Article

                Cointegration,Sucroalcooleiro Sector,Market efficiency,Setor Sucroalcooleiro,Cointegração,Eficiência de mercado

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