Any efficient allocation has to be such that everyone would agree to switch to that allocation from the endowment allocation -- or at least no one would object to such a switch.

Question

Quizplus · Accepted Answer

An efficient allocation, in the context of Pareto efficiency, only requires that no one can be made better off without making someone else worse off. It does not necessarily mean everyone would agree to switch from the endowment allocation, as some individuals might be worse off in the efficient allocation compared to their initial endowment.

Any Efficient Allocation Has to Be Such That Everyone Would