Um, how do you get 4.7 years as the mean time between recessions? As someone elsewhere notes, since the 60s we've had a recession every 5 to 10 years. Were the

Um, how do you get 4.7 years as the mean time between recessions? As someone elsewhere notes, since the 60s we've had a recession every 5 to 10 years. Were there two recessions a year apart that I missed? EDIT: Ah, the other commenter supplied it as the mean length of an economic cycle, measured peak to peak or trough to trough. But a trough in the economic cycle isn't necessarily a recession unless the trough is two quarters of negative GDP growth.