ISSN 2354-1814
 

Review Article 


EVALUATING ARIMA MODELS FORECAST ON THE CURRENT ACCOUNT DEFICIT IN NIGERIA USING SYMMETRIC LOSS FUNCTIONS

Lawal, H., Ahmed, A., Tasi'u, M..

Abstract
This study sought to evaluate the prediction ability of ARIMA models on the current account deficit in Nigeria using symmetric loss functions like Mean Absolute Error (MAE), Root Mean Absolute Error (RMAE), Mean Absolute Percentage Error (MAPE) and Theil inequality Coefficient. The results of the unit root tests show that the data is stationary at lag 3 after taking the first difference of the series. Of two possible models, ARIMA (2,1,2) model is found to be the best model because it has lower AIC and BIC. The accuracy of volatility forecast of the two models were evaluated using the above symmetric loss functions and the results show that ARIMA (2,1,2) produces the most accurate forecast as it has least variance and maximum covariance proportions

Key words: ARIMA, Current Account Deficits,Symmetry Lost Functions


 
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Pubmed Style

Lawal, H., Ahmed, A., Tasiu, M.. EVALUATING ARIMA MODELS FORECAST ON THE CURRENT ACCOUNT DEFICIT IN NIGERIA USING SYMMETRIC LOSS FUNCTIONS. Equijost. 2016; 4(1): 86-92.


Web Style

Lawal, H., Ahmed, A., Tasiu, M.. EVALUATING ARIMA MODELS FORECAST ON THE CURRENT ACCOUNT DEFICIT IN NIGERIA USING SYMMETRIC LOSS FUNCTIONS. http://www.equijost.com/?mno=302643596 [Access: August 21, 2019].


AMA (American Medical Association) Style

Lawal, H., Ahmed, A., Tasiu, M.. EVALUATING ARIMA MODELS FORECAST ON THE CURRENT ACCOUNT DEFICIT IN NIGERIA USING SYMMETRIC LOSS FUNCTIONS. Equijost. 2016; 4(1): 86-92.



Vancouver/ICMJE Style

Lawal, H., Ahmed, A., Tasiu, M.. EVALUATING ARIMA MODELS FORECAST ON THE CURRENT ACCOUNT DEFICIT IN NIGERIA USING SYMMETRIC LOSS FUNCTIONS. Equijost. (2016), [cited August 21, 2019]; 4(1): 86-92.



Harvard Style

Lawal, H., Ahmed, A., Tasiu, M. (2016) EVALUATING ARIMA MODELS FORECAST ON THE CURRENT ACCOUNT DEFICIT IN NIGERIA USING SYMMETRIC LOSS FUNCTIONS. Equijost, 4 (1), 86-92.



Turabian Style

Lawal, H., Ahmed, A., Tasiu, M.. 2016. EVALUATING ARIMA MODELS FORECAST ON THE CURRENT ACCOUNT DEFICIT IN NIGERIA USING SYMMETRIC LOSS FUNCTIONS. Equity Journal of Science and Technology, 4 (1), 86-92.



Chicago Style

Lawal, H., Ahmed, A., Tasiu, M.. "EVALUATING ARIMA MODELS FORECAST ON THE CURRENT ACCOUNT DEFICIT IN NIGERIA USING SYMMETRIC LOSS FUNCTIONS." Equity Journal of Science and Technology 4 (2016), 86-92.



MLA (The Modern Language Association) Style

Lawal, H., Ahmed, A., Tasiu, M.. "EVALUATING ARIMA MODELS FORECAST ON THE CURRENT ACCOUNT DEFICIT IN NIGERIA USING SYMMETRIC LOSS FUNCTIONS." Equity Journal of Science and Technology 4.1 (2016), 86-92. Print.



APA (American Psychological Association) Style

Lawal, H., Ahmed, A., Tasiu, M. (2016) EVALUATING ARIMA MODELS FORECAST ON THE CURRENT ACCOUNT DEFICIT IN NIGERIA USING SYMMETRIC LOSS FUNCTIONS. Equity Journal of Science and Technology, 4 (1), 86-92.





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