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Hemachandra W. M. (2009). Financial deepening and its implication on savings and investment in Sri Lanka.

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A Vector Autoregressive (VAR) Cointegration and Vector Error Correction Model (VECM) Approach for Financial Deepening Indicators AND Economic Growth in Nigeria

1Department of Mathematics and Statistics, Faculty of Science University of Maiduguri


American Journal of Mathematical Analysis. 2016, Vol. 4 No. 1, 1-6
DOI: 10.12691/ajma-4-1-1
Copyright © 2016 Science and Education Publishing

Cite this paper:
H. A. Chamalwa, H. R. Bakari. A Vector Autoregressive (VAR) Cointegration and Vector Error Correction Model (VECM) Approach for Financial Deepening Indicators AND Economic Growth in Nigeria. American Journal of Mathematical Analysis. 2016; 4(1):1-6. doi: 10.12691/ajma-4-1-1.

Correspondence to: H.  A. Chamalwa, Department of Mathematics and Statistics, Faculty of Science University of Maiduguri. Email: Chamalwa@gmail.com

Abstract

The Study Investigate the relationship between economic growth (GDP) and some financial deepening indicators (money supply and credit to private sector), using a data obtained from the Central Bank of Nigeria (CBN) statistical bulletin for the period 1981-2012. The study employed the conventional augmented dickey fuller test to test for stationarity among the three variables (GDP, money supply and credit to private sector, Johensen cointegration technique to determine the order or the cointegrating equation. Granger causality test was used to check for causal relationship among the variables (i.e uni-directional, bi-directional or feedback) and then the Vector Error Correction to check for a short-run or long-run relationship among the three variables. The results indicate that all the three variables are non-stationary at levels, but became stationary after first differencing once. The three variables are cointegrated with at most one ciontegrating equation; b-bidirectional causality runs among the three variables. The VECM suggested a long-run relationship among the three. Test for adequacy performed on the residuals of the VECM indicates that they are homoskedastic, have no serial correlation and are normally distributed suggesting that the model is good.

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