x-inefficiency
From Longman Business Dictionaryx-inefficiencyˌx-inefˈficiency noun [uncountable] when a business does not achieve the best results in the most economic way in relation to the number of employees, machines etc it hasA firm’s X-inefficiency is measured by how much it differs from the optimal operating level. —x-inefficient adjectiveThe x-inefficient firm must reduce costs in order to compensate for its relatively low levels of productivity.