When Brussels Sets a Carbon Price the Market Did Not Make
On 17 July 2026 the European Commission presented a revised EU Emissions Trading System alongside an Electrification Action Plan. The headline expansions are significant: the ETS will now cover ships as small as 400 gross tonnage (down from the previous 5,000), flights to destinations within 5,000 kilometres, and waste incineration from 2031 to 2034. The linear reduction factor — the annual cap-tightening rate — is cut to 3.1% for 2031 to 2035, then to 1.7% from 2036 onwards. The Market Stability Reserve intake rate drops to 12% after 2030. Eighty percent of carbon permits will be allocated free upfront, with the remaining 20% withheld until the holder demonstrates verified decarbonisation investment. Member States must ring-fence half of all ETS revenues for decarbonisation of covered sectors. The Commission has, in short, decided the price of carbon across the European economy for the next decade — and the market did not produce it.
What the Commission Claims
The EU ETS works by capping the total quantity of carbon emissions allowed and letting the allowance price float. That floating price is supposed to do the work: the lower the cap, the higher the carbon price, the greater the incentive to abate. The Commission sets the cap; the market discovers the price. The framing sounds like price discovery. In structure, it is something else entirely.
The carbon price is not derived from voluntary exchange. It is the output of a quantity-control mechanism whose level depends on political choices about how fast the cap tightens, how much the reserve absorbs, and how permits are allocated. The linear reduction factor — currently 4.3%, cut to 3.1% for 2031-2035 — is a statement about what the Brussels planners believe the economy's marginal cost of decarbonisation should be in 2031, 2032, 2033, 2034, and 2035. The Market Stability Reserve intake rate — cut from 24% to 12% — is a judgment about how many surplus permits the market should hold as a stabilising buffer. The 80/20 free-permit split is a subsidy allocation dressed as climate policy. The 50% revenue earmark locks spending decisions into the accounting rules. None of these parameters can be derived from first principles. Each is a price vector the Commission sets against an economy it cannot price.
The Austrian Diagnosis
Ludwig von Mises (1881–1973), an Austrian economist who spent his career demonstrating that centrally planned economies cannot rationally allocate resources, showed that without market prices for factors of production, no planning authority can calculate the true cost of any good or service — including the carbon allowance. The EU ETS is a quantity-control mechanism that aspires to the price-discovery properties of a market without being one. The cap sets a quantity; the price emerges from a political quantity-setting process, not from voluntary exchange at the margin. This is not price discovery. It is a simulation of it.
The free-permit allocation compounds the distortion. Allocating 80% of allowances for free means the largest industrial emitters — the incumbents most capable of abating — receive the allowances without paying market prices for them. Their marginal abatement incentive is blunted: they emit and surrender an allowance they received at zero cost, rather than bearing the full market price of carbon. The 20% withheld conditional on verified decarbonisation investment introduces a second distortion: the subsidy is tied not to emissions reduction but to a compliance activity that the Commission has defined and that incumbents can optimise for. The carbon price is not the marginal cost of the last unit of abatement. It is a heavily mediated, administratively shaped price vector that Brussels has assembled from its own best estimates.
Friedrich Hayek (1899–1992), a Nobel prize-winning economist, argued that the knowledge relevant to economic calculation is never concentrated in one place — it is dispersed across millions of individual actors who each know their own costs, customers, and constraints. The Commission faces this problem directly. The marginal cost of abating the last tonne of carbon at a particular installation depends on technology, fuel mix, location, operational cycle, and the firm's access to capital — knowledge that no Brussels committee can aggregate in time to act on. The ETS substitutes a single administratively determined price for millions of dispersed cost signals. The price that emerges is the Commission's best guess about a distribution it cannot know.
A History the Commission Has Already Written
The EU's own Phase 1–4 chronology (2005 to 2030) is the empirical confirmation. Phase 1 (2005–2007) crashed the carbon price to near zero when the cap oversupplied allowances. Phase 2 (2008–2012) collapsed again after the 2008 financial crisis revealed the cap was set too loosely. Phase 3 (2013–2020) introduced the back-loading mechanism and MSR to address oversupply, tightening supply by administrative means. Phase 4 (2021–2030) has continued to adjust the linear reduction factor, the MSR intake rate, and the free-permit allocation by political negotiation. In each phase, when the market challenged the Commission's price — by driving it too low (2006-07, 2012-13) or forcing it too high for political comfort (2022-23) — the Commission responded by revising the quantity parameters to bring the price toward a politically acceptable level. This is not price discovery. It is the Commission adjusting its quantity guess until the price looks right.
Why This Matters for Sound Money
Part 4 of Rails to Freedom — the section on monetary infrastructure — identifies Ethereum's proof-of-stake consensus as the first monetary system where the unit of account does not require an externally published aggregate to defend its integrity. The security budget is paid in ETH, priced by the ETH market, validated by thousands of independent actors. Sound money, in the Austrian sense, is money whose value is discovered by exchange rather than dictated by decree. The EU ETS is the inversion: an administered price for carbon that aspires to the properties of a market without being one, defended by a quantity-setting process that the Commission cannot verify is correct.
Part 1 of the book — the foundations — gives the deeper cut. When a planning authority substitutes an administered price for a discovered one, it does not eliminate the price system. It replaces a correct price with an incorrect one and then manages the consequences. The EU ETS produces a carbon price that is wrong by construction — not because Brussels is incompetent, but because the structure of the problem makes correctness impossible. No committee can know the marginal cost of decarbonisation across an economy. It can only guess, and the guess will be wrong in proportion to how far the political process is from the voluntary exchange that would reveal the truth.
What Markets Are Already Doing
The structural inverse of the EU ETS is Reflexer RAI — a governance-minimised, ETH-backed stablecoin deployed on Ethereum mainnet. RAI's redemption price is set by no committee and dictated by no oracle. An internal controller adjusts the redemption price in response to the gap between RAI's secondary-market price on Uniswap and the redemption price itself; arbitragers close the gap, and the unit of account emerges as the moving equilibrium of thousands of independent bets on the relative value of RAI against ETH, updated every block. The price is discovered, not administered. The structural contrast with the ETS is exact: the EU sets a carbon price by political quantity control and hopes the market confirms it; RAI sets a redemption price by market mechanism and lets arbitragers correct the gap. One produces a price without exchange; the other produces a price through exchange alone. One earmarks its revenues; the other lets holders use the asset as they choose.
Looking Ahead
The EU Commission will publish its next ETS auction price on the ICE Endex platform every working day. The Linear Reduction Factor revision will be tabled for legislative approval in early 2027. The shipping and aviation extensions will be implemented through the monitoring, reporting, and verification framework by 2028. Each of these steps is a political quantity decision dressed in market language. The Commission will call it climate leadership. The Austrian diagnosis is that it is an estimate without an underlying estimate-from — and the estimate will accumulate errors until the price it produces is too distorted to do the work it was assigned.