by KEVIN D. WILLIAMSON

If you want to know where the future is headed, look where the people are going. And if you want to know where the people are going, check with U-Haul. Here's an interesting indicator, first noted by the legendary economist Arthur Laffer: Renting a 26-foot U-Haul truck to go from Austin to San Francisco this July would cost you about $900. Renting the same truck to go from San Francisco to Austin? About $3,000. In the great balance of supply and demand, California has a large supply of people who are demanding to move to Texas. There's a reason for this.

"Did the greater prosperity in low-tax states happen by chance?"