Interms of economics, if it is possible to make someone better off without making someone worse off, then the situation is - (1) Inefficient (2) Efficient (3) Optimal (4) Paretosuperior
(1) Inefficient Explanation: Pareto efficiency is said to occur when it is impossible to make one party better off without making some-one worse off. An inefficient situation is one where it possible to make some people better off without making anyone else worse off.