Answer:
b. irregular fluctuations in economic activity
Explanation:
A business cycle is the natural rise and fall of production in the economy over time. Output in the economy is measured by real GDP. Analysis of real GDP values shows that production fluctuates in a cyclic pattern.
A business cycle is also referred to as a trade cycle or an economic cycle. The business cycle has four main stages include
All economies go through the business cycle. The time frame for each cycle is not definite, and the cycles occur at irregular intervals.