I'm not sure if it contributes very much to discussion to say "markets are efficient!" or "no they aren't!". I often see interesting things that make me think s

I'm not sure if it contributes very much to discussion to say "markets are efficient!" or "no they aren't!". I often see interesting things that make me think simplistic ideas of market efficiency are wrong. But on the other hand, I never have seen a $20 bill on the ground that I can recall. Might be interesting to poll people and find out how many have.