Answer:
c. refers to the failure of a market to produce an efficient allocation of resources.
Step-by-step explanation:
Market failure occurs when distribution of goods and services in a market is not efficient. This leads to low incentive for rational behaviour.
Individuals make decisions that will benefits themselves alone while the group suffers. This results in disequilibrium where the quantity supplied does not equate to amount demanded.
Market failure can be solved by using methods like government imposed solutions or voluntary collective actions.