Using SARFIMA Model to Study and Predict the Iran’s Oil Supply
Hamidreza Mostafaei and
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Leila Sakhabakhsh: Department of Statistics, North Tehran Branch,Islamic Azad University, Tehran, Iran
International Journal of Energy Economics and Policy, 2012, vol. 2, issue 1, pages 41-49
In this paper the specification of long memory has been studied using monthly data in total oil supply in Iran from 1994 to 2009. Because monthly oil supply series in Iran are showing nonstationary and periodic behavior we fit the data with SARIMA and SARFIMA models, and estimate the parameters using conditional sum of squares method. The results indicate the best model is SARFIMA (0, 1, 1) (0, -0.199, 0)12 which is used to predict the quantity of oil supply in Iran till the end of 2020. Therefore SARFIMA model can be used as the best model for predicting the amount of oil supply in the future.
Keywords: Long memory; Conditional sum of squares; SARFIMA model; Oil; Iran (search for similar items in EconPapers)
JEL-codes: C12 C13 C22 C50 (search for similar items in EconPapers)
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Persistent link: /RePEc:eco:journ2:2012-01-5
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