Friedman's k-percent rule

CPI 1914–2022
  Inflation
  M2 money supply increases Year/Year
M2 money supply monthly figures. Trend-line M2 monthly increases is ~$100 billion at the end of 2023.

In macroeconomics, Friedman's k-percent rule (named for Milton Friedman) is the monetarist proposal that the money supply should be increased by the central bank by a constant percentage rate every year, irrespective of business cycles.