From the Annals of Endogeneity comes an interesting headline:
Disobedient Children Make More Money as Adults
People if this was a linear relationship Warren Buffett would be washing my car. Bill Gates would be vacuuming my pool.
Suffice it to say I was a very naughty boy. Glad to know that I am reaping the rewards.
Here's the causal chain (may be familiar to fans of the underpants gnomes):
1. Be disobedient