According to the four-level hierarchy of behavior organization proposed by Hans J. Eysenck, are at the lowest level of behavior organization.

Joke: i thought it said drake and josh at first answer: probably unsure about this law. depending on how long the time is.

In financial aspects, a depression is a sustained, long haul downturn in monetary movement in one or more economies. it is a more extreme monetary downturn than a recession, which is a slowdown in financial action through the span of a typical business cycle. a depression is an irregular and extreme type of recession. so depression is always followed by recession but it is not correct to state that a depression always follow a recession.