Commentary
There is this joke in economics that says two people are walking along and one says, “There’s a $20 bill on the sidewalk.” The economist responds, “That cannot be true because someone would have already picked it up.”
There is this joke in economics that says two people are walking along and one says, “There’s a $20 bill on the sidewalk.” The economist responds, “That cannot be true because someone would have already picked it up.”