Economic efficiency

“Efficient” is incomplete until the criterion is named. Productive efficiency asks whether a given resource set is producing as much as the model permits, or whether a given output can be produced with fewer resources. Allocative efficiency asks whether the mix of outputs matches the relevant marginal values and costs under stated preferences and assumptions.

An organization can be productively efficient while making the wrong mix for its customers, mission, or obligations. It can select a desirable mix but use a wasteful process. The two failures require different evidence and remedies.

Relative to a model and objective

Efficiency depends on the feasible set, time period, technology, quality standard, risk boundary, external effects, and people whose outcomes count. A faster close is not more efficient if it silently lowers the required evidence quality. A lower-cost process can shift uncompensated burdens to suppliers or employees that the narrow model omits.

Economic efficiency is therefore not a synonym for fairness, legality, profitability, resilience, or ethical acceptability. Those may constrain or supplement the criterion. A professional conclusion should say “efficient with respect to what, for whom, over what period, and under which exclusions?”