Skyler decides to force Ted, her previous employer, to pay his outstanding debt to the IRS. Huell and Patrick visit Ted and strong arm him into writing a check for those back taxes. After signing the check and seeming to cooperate, he decides to make a run for it instead. He takes off running, slips on his rug, and slams head first into his cabinet breaking his neck.
See more: cost benefit analysis, incentives, unintended consequences
The Economics of Breaking Bad 