Land’s share in economies’ nonfinancial assets equals between 40% and 60%, and in the US currently equals over 50%. This constitutes a very large base for a non-distortionary tax. This column suggests that a 5-percentage point or larger increase in the tax rate on the value of US land, excluding buildings and equipment situated on the land, balanced by decreases in the tax rates on incomes from labour and from buildings and equipment (and in the limit by their complete elimination), would increase output by 15% to 25%.