Never let a good crisis go to waste, the saying goes. The only thing worse than suffering through a financial crisis is suffering through one and not learning anything from it.

What have we learned from the last five years? I recently sat down with Hoover Institute economist Russ Roberts, who took a stab at the question. Have a look:

Morgan Housel doesn't own shares in any of the companies mentioned in this article. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.