Use interest rates. Raising interest rates fuels inflation in the name of fighting it. Supply and demand , an essentially trial and error method. Ways government can prevent hoarding, in order of desirability. Limit income to work time.
Work time is a resource limited to the same day, week, and year for everyone.
Limit income to life time. Life times vary among people more than day times, so using life time as a standard of income sufficiency would allow more variation in life time income than work time. Freeze wages and prices. These freezes are arbitrary and temporary. Tax incomes progressively.