What is another word for x-efficiency?
Pronunciation: [ˈɛksɪfˈɪʃənsi] (IPA) 
X-efficiency refers to the level of efficiency achieved within a firm in terms of production and resource utilization. There are a number of synonyms for this term, including allocative efficiency, technical efficiency, and economic efficiency. Allocative efficiency refers to the way in which a firm uses its resources to meet the needs and wants of its consumers, while technical efficiency is a measure of how well a firm can convert inputs into outputs. Economic efficiency, on the other hand, focuses on the overall performance of a firm in terms of its output and the resources used to produce it. Each of these synonyms provides a slightly different perspective on the concept of x-efficiency and can be used depending on the context in which it is applied.
