
1) Economic cycle 2) Severe business cycle
Found on
https://www.crosswordclues.com/clue/boom-and-bust

In economics, boom and bust is a process characterized by sustained increases in several economic indicators followed {vanchor|by a sharp and rapid contraction.} It refers {vanchor|to a severe business cycle.}{sfn|Yoshikawa|1995|p=30} The phrase `boom {vanchor|and bust” pertains to capitalism.}{sfn|Bandelj|Sowers|2010|p=16} Times of increased .....
Found on
http://en.wikipedia.org/wiki/Boom_and_bust

Unfortunate tendency of the modern British economy to exhibit periods of rapid expansion (often driven by high consumer spending, often largely on imported goods) followed by periods of rapid decline.
Found on
http://www.hemyockcastle.co.uk/money.htm

characteristic of a period of economic prosperity followed by a depression.
Found on
https://www.infoplease.com/dictionary/boom-and-bust
No exact match found.