The secret to reforming compensation isn't so much looking at how much bosses get paid—but how they get paid.

It's easy to understand why critics focus on the gaudy awards of cash and stock that executives take home. And, yes, it's hard to deny that some bosses get paid a lot more than they deserve. But the structure of compensation is ultimately a lot more important than its level, because it gets to the heart of how managers run companies and create value for shareholders.

Pay...