Delaware is beloved by corporations, bankruptcy lawyers, tax avoiders, and money launderers. Critics say the Delaware “franchise” is undemocratic and corrupt. Insiders say it’s wildly efficient. We say: they’re both right.

Every year, Americans short the I.R.S. nearly half a trillion dollars. Most ideas to increase compliance are more stick than carrot — scary letters, audits, and penalties. But what if we gave taxpayers a chance to allocate how their money is spent, or even bribed them with a thank-you gift?