Killing four birds with one stone

Source: EconLog
by Scott Sumner

“Suppose that you wish to achieve the following 4 objectives: 1. Helping Vladimir Putin win the war in Ukraine. 2. Worsening global warming. 3. Worsening the budget deficit. 4. Enriching oil refiners at a time when supply is constrained and they are already earning extraordinary profits. What is the most effective way of doing all four? On[e] option would be to temporarily end the federal gas tax.” (06/22/22)