Research Article Open Access

Monetary Policy, Sub-National Inflation Dynamics and Regional Spillovers in Nigeria

Chioma Peace Nwosu1 and Usenobong Friday Akpan1
  • 1 Department of Research, Financial Sector Division, Central Bank of Nigeria, Abuja, Nigeria

Abstract

This study evaluates the relationship between monetary policy shocks and sub-national inflation dynamics in Nigeria, using the SVAR framework. Furthermore, using the Diebold-Yilmaz (DY) methodology, it also examines the extent of inflation volatility spillovers among the regions. Results show that monetary policy shock generates a heterogeneous but insignificant influence on sub-national inflation in Nigeria. We also found substantial evidence of spillovers among the regions. The South-West, North-East and South-East regions were found as the only resilient regions and net transmitters of inflation volatility to other regions, while the South-South was the most vulnerable region, especially to shocks from the South-East. These findings suggest that an exogenous monetary policy shock is not sufficient to address sub-national inflation dynamics in Nigeria. Rather, a well-targeted policy may be required to address the challenge, including strengthening inter-regional network connectivity and addressing persistent insecurity challenges that have stamped its roots in the North-East and South-East regions.

Journal of Social Sciences
Volume 20 No. 1, 2024, 28-44

DOI: https://doi.org/10.3844/jssp.2024.28.44

Submitted On: 14 December 2022 Published On: 2 July 2024

How to Cite: Nwosu, C. P. & Akpan, U. F. (2024). Monetary Policy, Sub-National Inflation Dynamics and Regional Spillovers in Nigeria. Journal of Social Sciences, 20(1), 28-44. https://doi.org/10.3844/jssp.2024.28.44

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Keywords

  • Sub-National Inflation
  • Monetary Policy
  • Shocks
  • Spillovers