Galtland Index

Ideal Money

5 min read

Ideal Money

John Nash arrives at the wiki’s central monetary conclusion — that inflation is a defect, not a tool — from entirely outside the Austrian tradition, by treating money as a problem in the comparison and transfer of value over time. His lecture matters here precisely because a Nobel game theorist with no Austrian commitments reaches hard money’s destination, while taking a route Austrians would dispute.

Money as a standard of value

Nash’s starting move is to treat money the way one treats a public utility — something judged by its quality, not merely its quantity:

And then, if we think about it, we can consider the quality of money as comparable to the quality of some “public utility” like the supply of electric energy or of water.

From this, the quality that matters is stability of value over time, because an unstable standard corrupts every long-dated calculation that depends on it:

Who would want to lend money for the term of a year? In this context we can see how the “quality” of a money standard can strongly influence areas of the economy involving financing with longer-term credits.

— John Nash, Ideal Money

That is the same concern the wiki frames through Austrian Business Cycle Theory — a debased standard falsifies intertemporal calculation — reached here through the lens of contract and credit rather than capital structure.

The critique of “managed” inflation

Nash is blunt that the modern defense of mild, managed inflation is a sold doctrine, not a discovered truth:

So I wish to present the argument that various interests and groups, notably including “Keynesian” economists, have sold to the public a “quasi-doctrine” which teaches, in effect, that “less is more” or that (in other words) “bad money is better than good money”.

— John Nash, Ideal Money

This converges directly with Fiat as Engineered System: inflation is an engineered transfer dressed as macroeconomic prudence. Where the Austrian critique grounds the objection in the knowledge problem — no authority can know the right money supply — Nash grounds it in the corruption of money as a measuring standard.

”Asymptotically ideal money” — and the Austrian tension

Nash’s constructive proposal is where he parts company with the wiki’s main tradition. He proposes approaching an ideal money — one of stable long-run value — asymptotically, by linking a currency to “an appropriate index” of value (drawn from internationally traded commodities, of which he notes gold and silver are only examples) rather than leaving it to central-bank discretion. He is scathing about the prevailing alternative, “inflation targeting,” which he says lets officials confess that their currency is managed by a chosen, adjustable target. The aim is hard-money’s: remove the issuer’s discretion to inflate. But the mechanism is still a managed index, a technocratic peg — which the calculation and knowledge-problem critiques warn is itself a planning conceit: any chosen index is still an administered standard, not a market-discovered one. The Austrian preference is for money the market selects (see unforgeable costliness and the gold/Bitcoin lineage in hard money), not a better-designed peg.

The convergence is therefore on the diagnosis (stable-value money is good; managed inflation is a defect) and a divergence on the cure (administered index vs. market-chosen hard money). That asymmetry — same destination, contested route — is exactly why Nash is worth citing: he shows the anti-inflation conclusion does not depend on Austrian premises.

A connection the lecture does not make

Nash’s text predates and never mentions Bitcoin; the following is the wiki’s own connection, not a claim about how Nash is read. A money whose issuance is fixed by rule rather than by an adjustable target shares one of Nash’s aims — removing issuer discretion — through the market-chosen, rule-bound route of unforgeable costliness. But it does not deliver Nash’s actual target: he wanted stable long-run value via a price index, whereas a fixed-supply money removes discretion at the cost of letting value float freely. The anti-discretion aim is shared; the value-stability mechanism is exactly where the two part — which is why this is a partial parallel, not a realization of Nash’s proposal.

See Also

Sources

  • Ideal Money and Asymptotically Ideal Money - John Nash’s lecture: money as a quality-bearing standard of value, the “Keynesian” managed-inflation critique, and the asymptotically-ideal managed-index proposal

Graph View

Backlinks