In accordance with the dual-control approach, sup- pose New Mexico's NOX abatement standard for existing sources is 5 units (AE) and the EPA's stan- dard for new sources is 12 units (AN). If the two types of sources face the following MAC functions, where each MAC is in thousands of dollars, what economic criterion is violated? Show how you know.
Existing: MACE ¼ 1:8AE New : MACN ¼ 1:2AN