In How Economics Saved Christmas, Economist Art Carden Retold the Dr

Multiple Choice

In How Economics Saved Christmas, economist Art Carden retold the Dr. Seuss story of the Grinch who hated Christmas and stole the decorations, food, and presents from neighboring Whoville. Complete this passage from Carden's poem:
He reached for his textbooks; he knew what to do
He'd fight them with ideas from A.C. Pigou
This idea has merit, he thought in the frost
A ____ that was equal to _____ cost

A) subsidy; social
B) subsidy; private
C) tax; total
D) tax; external