"It used to be being Catholic meant tighter community cohesion," he said. "It was harder to deviate, do immoral acts. There are fundamental differences between Catholics and Protestants. Catholics believe you can go and repent, and have those sins washed ... which might permit them to cheat at a little higher rate. At the same time Protestants who don't go to church on a regular basis might find it a bit easier to cheat at higher rates."