The Unintended Consequences of Rule Changes: NFL and Health Care Reform

I've just posted an article on When Falls the Coliseum about how rule changing is often done with no mind to how new rules can alter incentives and create behaviors that change the way the game is played, rendering the rules ineffective, or worse, aggravating the original problem. My two examples are the current Health Care Reform bill (now law) and the new NFL Overtime Rules.  Read away!