Recall the Application About the Increase in Purchases of Hybrid

Multiple Choice

Recall the Application about the increase in purchases of hybrid vehicles to answer the following question(s) .
-According to the Application, the average cost of abating one ton of CO₂ emissions through the hybrid subsidy is $177, but a switch from coal to natural gas in power plants would reduce CO₂ emissions at less than one-third the cost of the hybrid subsidy. The increase in cost associated with the reduction of one ton of CO₂ emissions (assuming that each unit of CO₂emissions is measured in tons) describes the economic concept of

A) using assumptions to simplify.
B) ceteris paribus.
C) marginal thinking.
D) rational self interest.