The evidence for this is that federal tax revenue as a percentage of GDP has been 15-20% since World War 2. Massive swings in tax policy have not changed this n

The evidence for this is that federal tax revenue as a percentage of GDP has been 15-20% since World War 2. Massive swings in tax policy have not changed this number, proving that those policy changes were more restructurings than tax cuts. https://en.wikipedia.org/wiki/Hauser%27s_law https://en.wikipedia.org/wiki/Hauser%27s_law