The Democrats’ tax plans are too convoluted

Joe Biden and Elizabeth Warren are sparring over a new type of corporate tax. Warren wants big companies to pay a 7% surtax on all profits over $100 million, in addition to whatever tax they’d normally owe. Biden kind of likes that idea, but wouldn’t go quite so far. He’d force firms to pay a 15% tax on all profits above $100 million, but only if they paid zero tax in the traditional system.

Both candidates are addressing the controversy over profitable companies, such as Amazon and Netflix, that manage to slash or eliminate their federal income tax burden through legal deductions and loopholes. Yet neither candidate is addressing the core problem: existing tax breaks passed by Congress in the past that aren’t working as intended. And instead of fixing the problem directly, they’re proposing new layers of taxation likely to be just as prone to abuse as the problematic laws they’re supposed to fix.

Taxes are Topic A among Democrats running for president, because they’re needed to pay for all those plans to reform health care, education, climate policy and many other things. But the Democrats are overplaying their hand. Voters favor some new taxes and don’t mind if businesses and the wealthy pay more. But few voters are tax experts, and they tune out complicated ideas they don’t understand. Democrats should start with simpler, intuitive tax hikes instead of overcomplicated new ideas. Four examples:

The wealth tax. Elizabeth Warren and Bernie Sanders want to tax the wealth of multimillionaires, in addition to their income. The idea is to get a large annual revenue stream from people who earn much of their income from investments, rather than work, and who pay relatively little in income tax. Problem: Illiquid assets like private businesses, real estate and art are hard to value. Taxing wealth will likely send much of it overseas. And a wealth tax may be unconstitutional, which is sure to lead to legal battles if it ever passed into law. To understand why, voters would need to bone up “apportionment” requirement in the Constitution. If Warren held a televised seminar, would you watch?

A simpler approach might be raising capital gains taxes, which are already a kind of wealth tax—with no constitutionality problems. Warren says she prefers a wealth tax because of all the ways rich people with armies of tax lawyers skirt capital gains taxes. Yet those same lawyers would find all the holes in a wealth tax. Plus, it would probably be easier, politically, to tighten up an existing tax than to impose an entirely new one.