Question

John receives a marginal benefit of $80 from one missile. Nick receives a marginal benefit of $50 from one missile. Christina receives a marginal benefit of $65 from one missile. John, Nick, and Christina are the only people in the economy. What is the economy's marginal social benefit from one missile? $65 $195 $50 $80

Answer 1

Economy's marginal social benefit=$65

Step-by-step explanation:

The economy's marginal social benefit can be calculated by getting the average of the individual marginal benefit.

This can be expressed as;

Economy's marginal social benefit=Sum of individual marginal benefit/Total number of individual's

where;

Sum of individual marginal benefit=John's marginal benefit+Nick's marginal benefit+Christina's marginal benefit=(80+50+65)=$195

Total number of individuals=3

replacing;

Economy's marginal social benefit=195/3=65

Economy's marginal social benefit=$65