> What happened in 1929 was mainly a liquidity crisis, not an actual economic crisis, at least not at first. The underlying productivity of the American economy

> What happened in 1929 was mainly a liquidity crisis, not an actual economic crisis, at least not at first. The underlying productivity of the American economy was unchanged before the crash and immediately a apologies for a potentially ignorant question, but werent most economic crisis in the past (and near recent) caused by liquidity issues?