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Ethanol production in Brazil: empirical evidence based on persistence

Ethanol production in Brazil: empirical evidence based on persistence This paper aims to investigate the production of sugar cane ethanol in Brazil for the time period 1983-2016, separating the data by geographical location.Design/methodology/approachFor this purpose, the authors use techniques based on the concept of fractional integration.FindingsThe authors show that the data corresponding to the total production is highly persistent, with an integration order smaller than 1 but close to it. In fact, the unit root hypothesis cannot be rejected implying that shocks have a permanent nature, and thus requiring policy measures to recover the level from exogenous shocks. Separating the data into two sub-regions, namely, North–Northeast and Central–South, higher levels of persistence are detected in the latter, while the former presents some evidence of mean reverting behavior, implying that shocks will disappear by themselves in the long run in the former regions. These results are obtained from all the different methods used.Originality/valueThe originality is based on the time series techniques used in the paper that departs from the classical methods based on unit roots and integer degrees of differentiation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Energy Sector Management Emerald Publishing

Ethanol production in Brazil: empirical evidence based on persistence

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Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
1750-6220
DOI
10.1108/ijesm-05-2017-0004
Publisher site
See Article on Publisher Site

Abstract

This paper aims to investigate the production of sugar cane ethanol in Brazil for the time period 1983-2016, separating the data by geographical location.Design/methodology/approachFor this purpose, the authors use techniques based on the concept of fractional integration.FindingsThe authors show that the data corresponding to the total production is highly persistent, with an integration order smaller than 1 but close to it. In fact, the unit root hypothesis cannot be rejected implying that shocks have a permanent nature, and thus requiring policy measures to recover the level from exogenous shocks. Separating the data into two sub-regions, namely, North–Northeast and Central–South, higher levels of persistence are detected in the latter, while the former presents some evidence of mean reverting behavior, implying that shocks will disappear by themselves in the long run in the former regions. These results are obtained from all the different methods used.Originality/valueThe originality is based on the time series techniques used in the paper that departs from the classical methods based on unit roots and integer degrees of differentiation.

Journal

International Journal of Energy Sector ManagementEmerald Publishing

Published: Oct 23, 2018

Keywords: ARIMA; Time series analysis; Econometric; Long memory; Ethanol; ARMA; Brazil; C22 – Time-series models < C2 – Econometric methods: Single equation models < C – Mathematical and quantitative methods; C22

References