Background of the Study
Central bank interest rate policies are a pivotal tool in steering Nigeria’s economic activity. The Central Bank of Nigeria (CBN) uses its policy rate as an instrument to control inflation, manage currency stability, and influence aggregate demand. By adjusting interest rates, the CBN affects borrowing costs, investment decisions, and consumer spending, thereby shaping the overall economic environment (Okafor, 2023). Lower interest rates typically lower the cost of financing, stimulate investment, and boost consumption, which in turn spur economic growth. Conversely, higher interest rates are used to cool down an overheating economy by restraining spending and curbing inflationary pressures (Bello, 2024).
The effect of these policies on economic activity is multi-dimensional. For instance, when the CBN reduces interest rates, businesses find it easier to secure loans for capital expenditures and operational expansion. Similarly, consumers are more inclined to finance major purchases, such as homes and vehicles, thereby driving demand in key sectors of the economy. However, these benefits must be weighed against the risk of excessive borrowing and potential asset bubbles. Additionally, high interest rate environments, though beneficial for curbing inflation, can stifle economic activity by increasing the cost of debt servicing for both businesses and households (Chinwe, 2023).
Recent years have witnessed significant adjustments in the CBN’s interest rate policies in response to both domestic and global economic conditions. The interplay between these rate changes and economic performance has been subject to extensive debate among economists and policymakers. Some argue that a proactive reduction in interest rates can foster a conducive environment for growth, while others caution against the long-term repercussions of sustained low rates on financial stability (Okafor, 2025). This study will explore the complex relationship between central bank interest rate policies and economic activity, aiming to provide a nuanced understanding that can inform future policy decisions.
Statement of the Problem
Nigeria’s economic performance is closely linked to the interest rate policies implemented by the Central Bank of Nigeria. Despite numerous policy interventions, the economy continues to experience periods of sluggish growth, high inflation, and volatile exchange rates. These challenges suggest that there may be gaps in understanding the precise mechanisms through which interest rate policies impact economic activity (Okafor, 2023).
High interest rates, while effective in controlling inflation, often lead to reduced investment and consumption, which in turn slow down economic growth. On the other hand, excessively low rates can spur borrowing but may lead to unsustainable debt levels and financial market distortions. This delicate balance presents a significant challenge for policymakers who must reconcile the dual objectives of stimulating economic growth and maintaining macroeconomic stability (Bello, 2024).
Furthermore, the heterogeneous impact of interest rate changes across different sectors and regions complicates policy implementation. Businesses in capital-intensive sectors may be more sensitive to rate hikes compared to those in less investment-dependent industries. Similarly, households with variable income streams may adjust their spending differently in response to interest rate changes. The lack of comprehensive empirical evidence on these diverse impacts has hindered the development of tailored monetary policies that address the specific needs of various economic agents (Chinwe, 2023).
This study seeks to bridge these gaps by analyzing the impact of central bank interest rate policies on key economic indicators, including investment, consumption, and overall growth. The findings will offer insights into how these policies can be fine-tuned to achieve a more balanced and resilient economic environment.
Objectives of the Study
Research Questions
Research Hypotheses
Scope and Limitations of the Study
The study focuses on macroeconomic indicators in Nigeria, using data from central bank reports and economic surveys. Limitations include the challenge of isolating interest rate effects from other concurrent economic policies.
Definitions of Terms
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