Vaccinating people for measles, rubella, polio and cholera to substantially increase net social benefits by improving the health and productivity of the population is an example of ?

A. economies of scale

B. net present value

C. external economies

D. negative externality

Found an error? Read our corrections policy and report it in the comments below.

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.