Diocletian's Edict on Maximum Prices
Emperor Diocletian issued the Edict on Maximum Prices in November 301 AD, attempting to halt runaway inflation by fixing maximum legal prices for over 1,200 goods and services. The edict threatened the death penalty for merchants who exceeded the caps. It was the first recorded imperial wage-and-price control — and it failed completely within months. Merchants withdrew from markets rather than sell at unprofitable fixed prices. Goods disappeared from shelves. The law was unenforceable and was quietly abandoned.
The Edict survives partially because copies were carved in stone and posted across the empire. It's the most detailed surviving Roman price index from any year. Its most valuable contribution was unintentional: it documented exactly how far the currency had collapsed by naming prices in denarii for standard goods like wheat, wine, and labor.
01 · Coin Clipping
The earliest documented currency debasements happened in the Roman Empire, when emperors under fiscal strain began secretly reducing the precious-metal content of coins while leaving their face value unchanged. The mechanism was crude: mint the same denarius or antoninianus, but with less silver. Over roughly 240 years, the Roman silver coin went from about 97 percent silver under Augustus to under 2 percent silver during the Crisis of the Third Century. Each emperor who debased the coinage inherited a slightly lighter silver content and left it slightly lighter still.
Read the full era →