Volume I · Gold · Money Research

04 — What Gives Gold Its Value and When It Became an Account Unit

The question properly stated

"What gives gold value?" hides two questions. The first is why gold, rather than some other substance, became the reference point. The second is why a reference point is needed at all — why one good ends up as the unit that all other goods are priced in. Both have answers, and neither is "because it is shiny."

Why one good becomes money at all

Carl Menger's 1892 essay On the Origins of Money offers a saleability theory: a trader may accept a good that is easier to pass on than another, and repeated acceptance could strengthen that good's marketability. This is one interpretation of how some money emerged, not a verdict that barter preceded credit everywhere or that states had only a later role. Credit and state-account theories offer competing interpretations. Mesopotamian silver weight/account practices predated coins, but that fact alone does not adjudicate these origin theories; direct theory passages and archaeological contexts still need exact locators.

Why gold could be saleable in some markets

Aristotle, in the Politics and Ethics, listed what a good needs to serve as money, and later writers (Jevons, Menger, Mises) refined the list. Gold has advantages on several criteria, alongside costs and alternatives:

Durability. Gold does not corrode, tarnish, rot or decay. Wheat, cattle, salt, cloth, iron and even silver (which tarnishes) all lose value in storage. A gold coin from 550 BCE is still fine gold.

Scarcity with stability. Gold's estimated above-ground stock is large relative to annual mine output under World Gold Council definitions, so a year's new production changes that stock by a limited proportion. The exact stock-to-flow ratio depends on stock vintage, mine-output period and category boundaries; it does not by itself stabilise gold's purchasing power. Copper, iron, cowries and wampum followed different supply and acceptance histories that need place- and period-specific evidence.

Divisibility and fungibility. Gold can be divided and assayed, although alloys, purity and fabrication make actual pieces differ. Diamonds are scarce and durable but each one is different and cannot be recombined.

Verifiability. Density, colour, the touchstone, the acid test and later fire assay let anyone check gold cheaply. These methods could lower verification costs, while testing still takes time and skill.

Uselessness, in a sense. Gold's industrial demand is small (about 7% of annual demand), so industrial demand is only one of several influences on its price. Copper's industrial demand made it a poor money for exactly the opposite reason.

Silver shares most of these properties, which is why silver was money for as long as gold, and “Silver, Copper, Bronze and Bimetallism” explains how the two divided the work. But silver is roughly 15–20 times more abundant in the crust, tarnishes, and — crucially, in the nineteenth century — its supply was expanding faster than gold's just when the world was standardizing.

Why prices came to be denominated in gold

Where a good becomes widely accepted, it can also serve as a unit of account, reducing the need to quote many bilateral exchange ratios in a simplified model. States and merchants could use shared units for taxes, pay or trade, but legal rules and geographic reach varied. Darics, aurei, solidi, dinars, ducats and sovereigns had important roles in particular networks; a claim that each was accepted by merchants everywhere or served as a single trading-world account unit needs transaction and issue-specific evidence.

Note the historical nuance: for most of history the everyday unit of account was silver (the shekel, drachma, denarius, penny, rupee, tael), and gold sometimes served large payments or reserves, without necessarily anchoring silver. Gold definitions became important in several classical gold-standard economies, roughly 1870–1914, without becoming a universal denominator.

Is gold's value "intrinsic" or a social convention?

Both, and the distinction is less sharp than it sounds. Gold's physical properties are objective and make it a better candidate than alternatives. But its price is a social fact: it is worth what people will give for it, and they give a great deal because they expect everyone else to do the same, indefinitely. The long history of use matters, but acceptance and purchasing power varied across places and periods. Economists call this a coordination equilibrium or a Schelling point. The Bitcoin design of 2009 was explicitly an attempt to reproduce gold's scarcity and verifiability in digital form, which is itself evidence of what people think gold's value rests on.

Physical gold held outright is not an issuer's liability. A bond or deposit is a claim on an issuer; currency, bank reserves and claims on stored gold require their own balance-sheet descriptions. Outright bullion has custody and price risk even without issuer default risk. Its price may respond to trust in issuers and real rates, but the relationships are not fixed. Those relationships vary by period; gold prices also respond to interest rates, investment flows and other conditions.

What gold's value is not

It is not its use value. If gold were priced as an industrial metal it would be far cheaper. It is not its yield: gold pays no interest and costs money to store and insure. It is not government backing: governments have repeatedly tried and failed to hold its price down (the London Gold Pool, 1961–68) or up. It is not rarity alone: rhodium and osmium are rarer. Its price reflects physical uses, investment demand, monetary practice and expectations that vary by time and place.

Key takeaways

Menger's saleability account explains one possible route to commodity money; credit and state-account theories offer others. Gold's physical properties helped its use, but institutions and markets determined monetary adoption. Physical gold held outright is not an issuer's liability, while its market price and purchasing power remain variable.