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EXCHANGE RATE, EXTERNAL RESERVES AND CURRENT ACCOUNT BALANCE NEXUS IN OIL-DEPENDENT COUNTRIES: A TODA-YAMOMOTOBASED PANEL VECTOR AUTOREGRESSIVE (PVAR) APPROACH

Tirimisiyu F. Oloko () and Muritala O. Ogunsiji
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Tirimisiyu F. Oloko: Department of Economics, Postal: Fountain University, Osogbo, Osun State, Nigeria, ,, https://www.ijep.org/
Muritala O. Ogunsiji: Department of Economics, Postal: Fountain University, Osogbo, Osun State, Nigeria,, https://www.ijep.org/

Ilorin Journal of Economic Policy, 2024, vol. 11, issue 1, 1-17

Abstract: The international monetary authorities have been consistently advising oil-dependent countries to change their exchange rate policy from a fixed to a floating exchange rate regime. While some of these countries including Nigeria have announced their adoption of a free-floating exchange rate system, evidence shows that the majority are suffering from “fear of floating”, hence operating an abridged exchange rate system. This study employs the Toda-Yamomoto-based Panel Vector Autoregressive (PVAR) model to use the causality approach to determine the exchange rate system that best explains the de facto exchange rate policy system operating in these countries. This is explained by the dynamic causality between exchange rates and foreign reserves. The dynamic causality between the exchange rate and current account balance also explains the potential effect of devaluation to improve the external trade balance, which implies the Jcurve and Marshall Lerner condition. The results show that there is no significant causality from foreign reserves and trade balance to the exchange rate, suggesting that oil-dependent countries are more aligned to a fixed exchange rate regime than a floating exchange rate regime. We also find significant negative causality from the exchange rate to foreign reserves, while foreign reserves have a positive causal effect on the current account balance. This implies that the expected devaluation gains that may be prompting oil-dependent countries to stick to fixed exchange rate regimes are not there, as currency devaluation tends to worsen trade performance and foreign reserves rather than improve them. While oil-dependent countries are not benefiting much from a fixed exchange rate system, it is recommended that appropriate policy to boost private sector generation of foreign exchange should be put in place before the adoption of a fullfledged floating exchange rate system.

Keywords: Exchange rate regime; Oil-dependent countries; Panel VAR; Marshall Lerner condition (search for similar items in EconPapers)
JEL-codes: C33 F31 F32 F41 (search for similar items in EconPapers)
Date: 2024
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Ilorin Journal of Economic Policy is currently edited by Gafar Ijaiya, Ahmed Yakubu, Folorunsho Ajide and Godwin Oluseye Olasehinde-Williams

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