[RedMominBlueState]

How do you know? Some say the Great Depression was caused by a 10 per cent drop in economic activity. What percentage drop are we experiencing now? I’d welcome some encouraging facts.

[Pelham]

"Some say the Great Depression was caused by a 10 per cent drop in economic activity."

Well some are wrong. It was caused by a collapse of the American banking system. You can read all about it in Milton Friedman and Anna Schwartz's definitive study that NBER generously offers for free:

The Great Contraction, 1929-33