From the economist's perspective, "market failures" basically arise when:
a. the quantity supplied of a good or service is greater than the quantity demanded for a good or service.
b. demand and supply do not accurately reflect all the benefits and all the costs of production.
c. the quantity demanded for a good or service is greater than the quantity supplied of the good or service.
d. the market system is unable to adapt to or to accommodate change.
Answer: B