Adjective
English Wikipedia has an article on:Allocative efficiencyWikipedia
allocative (not comparable)
(uncommon) Synonym of allocational (“of or pertaining to the allocation of resources”)
Profit equals (P − ATC) × Q. It is important to note that perfect competition is a sufficient condition for allocative and productive efficiency, but it is not a necessary condition. Source: Internet
It has been noted that while decentralization may increase "productive efficiency" it may undermine "allocative efficiency" by making redistribution of wealth more difficult. Source: Internet
Welfare economics is a normative branch of economics that uses microeconomic techniques to simultaneously determine the allocative efficiency within an economy and the income distribution associated with it. Source: Internet