An economic system is economically efficient when: (w) economic inequity has been removed. (x) any gains to someone through several possible rearrangement of goods or resources would need losses on the part of someone else. (y) more output could be produced at lower cost. (z) maximum net costs are incurred whereas generating an exact amount of total social benefits.
I need a good answer for the above Economic Efficiency problem. Please give me your suggestion for this.