Closing the “tax gap,” or revenue owed to the federal government that goes uncollected, has long been a favorite deus ex machina for lawmakers who want more revenue without having to raise rates. But Internal Revenue Service (IRS) Commissioner Chuck Rettig really put dollar signs in lawmakers’ eyes when he claimed the tax gap could be as large as $1 trillion. Always eager to appear knowledgeable on policy issues, Sen. Elizabeth Warren is putting forward a plan to collect extra revenue that only gets worse the deeper you dig into it.
First and foremost, it’s important to understand how far off on an island Rettig is with his estimate. The IRS’s last official estimate of the size of the tax gap placed it at a far, far lower $381 billion. Even considering that this estimate may not have factored in underpayment from cryptocurrencies, offshore holdings, and pass-through businesses, the tax gap still remains far closer to $500 billion than to $1 trillion.
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