Consider a Childhood Vaccination Program That Is Fully Effective If

Multiple Choice

Consider a childhood vaccination program that is fully effective if all children are vaccinated.Now suppose that all children except one are vaccinated - and as a result that one child will not contract the disease.In economics,we can compare this situation to

A) moral hazard.
B) adverse selection.
C) the free-rider problem.
D) asymmetric information.
E) common property problem.