LOL: Anatole Kaletsky says there's been no sign of mean reversion in the post-war when US GDP 2007-2018 has underperformed 1929-1940

Expansions Don’t Die of Old Age:

History shows that US expansions since the end of World War II have varied in length from 12 months to 120 months, with no sign of mean reversion.

Welcome to the mean reversion, Anatole: