An economic cycle, also known as a business cycle, refers to economic fluctuations between periods of expansion and contraction. Factors such as gross domestic product (GDP), interest rates ...

That’s because NBER’s approach is retrospective. In other words, it waits 12–18 months to classify business cycle periods. Perhaps its understanding of human nature is just as broad as its ...

To determine if your period is irregular, track your menstrual cycle with an app or paper calendar. How long a period lasts will depends on various factors including your lifestyle, genetics ...