Why the Congressional Budget Office (CBO) almost always gets it wrong

These days, it seems that a mysterious group called “the CBO” rules the world. Or at least Washington. Unfortunately, they’re not very good at predicting things and their bad calls can lead to bad policy results. The Congressional Budget Office and the Joint Committee on Taxation (JCT) predict what will happen with spending, tax revenues and deficits from new bills and congressional budgets. They have made headlines of late with their absurd warning that the Trump tax bill to extend the 2017 tax cuts and other reforms, like eliminating taxes on tips, would add some $4.6 trillion to the debt...