Question 1- Shuchang's vaccination against a highly contagious infectious disease is an example ofa. a market failure.? b. a moral hazard.? c. a negative externality.? d. a positive externality.

An example of negative externality is a. Savitha volunteering in a community garden. b. a farmer increasing the use of antibiotics to treat livestock. c. Inaya, Jai, and Amar carpooling to work. d. Ishaan house sitting for below the minimum wage