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Financial sector development, economic volatility and shocks in sub-Saharan Africa

Muazu Ibrahim () and Paul Alagidede ()

Physica A: Statistical Mechanics and its Applications, 2017, vol. 484, issue C, 66-81

Abstract: The role of financial sector development in economic volatility has been extensively studied albeit without informative results largely on the failure of extant studies to decompose volatility into its various components. By disaggregating volatility using the spectral approach, this study examines the effect of financial development on volatility components as well as channels through which finance affects volatility in 23 sub-Saharan African countries over the period 1980–2014. Our findings based on the newly developed panel cointegration estimation strategy reveal that while financial development affects business cycle volatility in a non-linear fashion, its effect on long run fluctuation is imaginary. More specifically, well developed financial sectors dampen volatility. Further findings show that while monetary shocks have large magnifying effect on volatility, their effect in the short run is minuscule. The reverse, however, holds for real shocks. The channels of manifestation shows that financial development dampens (magnifies) the effect of real shocks (monetary shocks) on the components of volatility with the dampening effects consistently larger only in the short run. Strengthening financial sector supervision and cross-border oversight may be very crucial in examining the right levels of finance and price stability necessary to falter economic fluctuations.

Keywords: Volatility; Financial development; Shocks; Business cycles; Growth (search for similar items in EconPapers)
JEL-codes: G1 E3 (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1016/j.physa.2017.04.142

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