Cost Effectiveness in International Agreements

Cost effectiveness in International Agreements
-Refer to the figure above.Suppose that both Countries A and B receive the same benefit from a decrease in emissions.Both are currently emitting at the uncontrolled level.A uniform reduction of 50 percent would

A) cost society area (b + c + d + e)
B) not represent efficiency since because there are differences in abatement costs
C) be equivalent to the results from a transferable discharge program
D) cost Country B more than Country A