How is the income floor typically different between a volatile high-earning field and a stable one?

Answer

The floor (minimum sustainable income) is usually much higher and more reliable in a stable field

While the ceiling for income in a stable field might be lower than in a volatile one, the floor—the minimum sustainable income—is generally much higher and more reliable in the stable career.

How is the income floor typically different between a volatile high-earning field and a stable one?
jobcareerfutureworkplanning