A Seasonal Box-Jenkins Model for Nigerian Inflation Rate Series

Ette HARRISON Etuk, Stella Asuquo Attoe, Isaac Didi Essi


Time series analysis of Nigerian Inflation rate series is done. A seasonal difference and then a non-seasonal one were obtained. The correlogram of the differenced series revealed a seasonal nature. It also revealed a seasonal moving average component and a non-seasonal autoregressive component. $A (5,1,0)\times(0,1,1)_{12}$ seasonal model was fitted and shown to be adequate.

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DOI: http://dx.doi.org/10.5539/jmr.v4n4p107

Journal of Mathematics Research   ISSN 1916-9795 (Print)   ISSN 1916-9809 (Online)

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