Given the pivotal role of underwriting risk in shaping the profitability of insurance firms, this study
examines the effect of underwriting risk on the profitability of listed insurance firms in Nigeria
over the period 2013 to 2023. The study operationalizes underwriting risk using claims expense
ratio and loss rati...
S. Amana· IIARD INTERNATIONAL JOURNAL...· 0 citations
This study examined the effect of electronic payment systems on the profitability of deposit
money banks in Nigeria, focusing on three widely adopted channels: Automated Teller
Machine (ATM), Point of Sale (POS), and Mobile Application Payment (MAP) transactions
over the period 2010–2024. Bank profitability was prox...
S. Amana· World Journal of Finance and...· 0 citations
This study analyzed the heterogeneous effects of crude oil price variations, exchange rate, inflation
rate and government expenditure on private investment in Nigeria from the first quarter of 1990
to the fourth quarter of 2023, employing an ex post facto research design and quantile regression
methodologies. Quarterly...
S. Amana· International Journal of Eco...· 1 citation
The study examined the long-term relationship between government spending and private
investment in Nigeria using quarterly data from 2000Q1 to 2023Q4. Controlling for inflation,
financial market growth, and monetary policy, the Fully Modified Ordinary Least Squares
(FMOLS) method was applied following Johansen cointeg...
S. Amana· IIARD International Journal...· 0 citations
The study examined the effect of sectoral credit allocations (agricultural, manufacturing, and
SME) on the liquidity stability of Nigeria’s banking sector, a dimension often overshadowed
by profitability and capital adequacy studies. Using quarterly times series data for a period
of 24 years, (from 2000Q1–2023Q4) obtai...
S. Amana· International Journal of Eco...· 0 citations
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