Volatility of stock market returns and the naira exchange rate
Mela Dogo and
Global Finance Journal, 2018, vol. 35, issue C, 97-105
In the wake of steadily declining oil prices, the naira-dollar (Nigeria-US) exchange rate came under severe pressure, leading to extreme volatility in the foreign exchange rate. This study seeks to explore volatility spillovers between stock market returns and the exchange rate due to speculation of foreign investors in the stock market. We employed a multivariate GARCH model (VARMA-AGARCH model) to model the transmission mechanism of mean return, return spillover and shock spillover between the stock market and the foreign exchange market, using their return series. Results indicate the presence of a transmission mechanism between these markets. Shock spillovers however showed a stronger uni-directional transmission of shocks from the stock market to the foreign exchange market without breakpoints. When breakpoints were considered, a bi-directional spillover pattern was observed across both markets. We thus bring into perspective the role played by foreign portfolio investors in determining the exchange rate of a small, open, emerging market economy. Short term capital flows into emerging market securities may thus distort the long-run equilibrium of the foreign exchange market.
Keywords: Stock market return; Volatility; Naira-dollar exchange rate; Portfolio investors (search for similar items in EconPapers)
JEL-codes: F3 (search for similar items in EconPapers)
References: View references in EconPapers View complete reference list from CitEc
Citations: Track citations by RSS feed
Downloads: (external link)
Full text for ScienceDirect subscribers only
This item may be available elsewhere in EconPapers: Search for items with the same title.
Export reference: BibTeX
RIS (EndNote, ProCite, RefMan)
Persistent link: https://EconPapers.repec.org/RePEc:eee:glofin:v:35:y:2018:i:c:p:97-105
Access Statistics for this article
Global Finance Journal is currently edited by Manuchehr Shahrokhi
More articles in Global Finance Journal from Elsevier
Bibliographic data for series maintained by Dana Niculescu ().