Debates about inequality often revolve around wealth taxes. The argument runs that if the top 1% hoard an ever-larger share of global wealth, then the way to fund a social state is to skim a portion of that fortune back. The Piketty-Zucman turn has put household balance sheets at the centre of distributional politics.
But this framing misses something essential. The super-rich do not become billionaires by patiently accumulating wages or even by managing inherited fortunes. They become rich because they own shares in corporations that capture extraordinary profits. Wealth inequality is downstream of profit inequality. If we want to understand why a handful of individuals can amass fortunes larger than entire states, we need to start with the extreme concentration of corporate profits in IP-rich multinationals.
At its simplest, corporate profits are capital income — the return to shareholders after wages, interest, and taxes have been paid. In national accounts, they sit neatly on the capital side of the income distribution ledger. But the neatness is deceptive. A growing share of today’s profits are not normal returns to productive capital. They come from monopoly pricing, patent rents, platform dominance, financial engineering, and global tax arbitrage. Apple’s margins on iPhones, AbbVie’s control of blockbuster drugs, Microsoft’s Irish royalty flows, Amazon’s platform chokehold: these are not competitive returns. They are rents, sanctioned and amplified by state-created rules.
Seen in this light, profits are less the natural reward for investment and more the outcome of political construction. Intellectual property law, competition policy, and international tax codes don’t just record profits — they create them. Which means the battle over economic inequality cannot be fought only at the level of wealth taxation. By the time fortunes are large enough to tax as wealth, the damage is already done. The decisive front is profits.
Profit taxes as counter-power
This is why corporate profit taxation matters more than ever. A wealth tax hits the accumulated stock of assets after the fact. A profit tax intervenes at the source. It reduces the flow of capital income before it can be hoarded, compounded, and transformed into dynastic wealth. That makes profit taxation a pre-distributional instrument. It is not about mopping up after inequality has been generated; it is about slowing down the machinery of concentration itself.
Too much of the debate treats corporate tax as a fiscal question: how much revenue can it realistically raise? Politicians argue that wealth and capital are too mobile to be taxed, or that corporate tax yields are marginal compared to income or consumption taxes. But this is the wrong lens. No plausible wealth or capital tax will ever fund a full social state. The point of taxing profits is not fiscal — it is political. Tax is a tool of counter-power.
This makes corporate taxation a form of structural regulation. Where antitrust law has failed to discipline monopoly power, tax can blunt its edge. By taxing profits as capital income, the state clips the wings of IP-rich monopolies before their rents become entrenched private fortunes. It limits the capacity of corporate elites to turn profit concentration into lobbying power, media ownership, and political capture. In this sense, corporate taxation is antitrust by other means: not dismantling monopolies outright, but constraining their ability to convert corporate rents into dynastic wealth and entrenched political dominance.
The stakes are clear. If profit concentration continues unchecked, wealth concentration will follow. And with wealth concentration comes political concentration — the ability of a tiny global elite to write the rules of the game in their own interest, from tax codes to climate policy. Wealth taxes may nibble at the edges after the fact. But they do not touch the upstream engine. The real wealth tax is a profit tax. Taxing profits is not about raising revenue. It is about defending democracy.
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