So two old Jewish guys are sitting on a bench, watching the waves roll in.
"You know something, Hymie?"
"What, Abe?"
"If I were as rich as Rothschild, I'd be richer than Rothschild."
"How's that?"
"Well, I'd do a little tailoring on the side."
This is funny, because we all understand comparative advantage, whether we want to admit it or not.