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In a business context, operational efficiency can be defined as the ratio between the input to run a business operation and the output gained from the business. When improving operational efficiency, the output to input ratio improves. Inputs would typically be money (cost), people (headcount) or time/effort. Outputs would typically be money (revenue, margin, cash), new customers, customer loyalty, market differentiation, headcount productivity, innovation, quality, speed & agility, complexity or opportunities. The terms "operational efficiency", "efficiency" and "productivity" are often used interchangeably. An explanation to the difference between efficiency and (total factor) productivity is found in "An Introduction to Efficiency and Productivity Analysis".〔Timothy J. Coelli, D.S. Prasada Rao, Christopher J. O’Donnell and George E. Battese: "An Introduction to Efficiency and Productivity Analysis", Springer, 2005〕 To complicate, "operational excellence" which is about continuous improvement - not limited to efficiency - is occasionally used when meaning operational efficiency. From time to time "operating efficiency" is also used with the same meaning as "operational efficiency". == Measuring operational efficiency == In order to improve operational efficiency one has to start by measuring it. Since operational efficiency is about the output to input ratio, it should be measured both on the input and the output side. Quite often, company management is measuring primarily on the input side, e.g. the unit production cost or the man hours required to produce one unit. Even though important, input indicators like the unit production cost should not be seen as sole indicators of operational efficiency. When measuring operational efficiency, a company should define, measure and track a number of performance indicators on both the input and output side. The exact definition of these performance indicators will vary from industry to industry, but typically these categories are covered: * Input: Operational expenditure (OPEX), capital expenditure (CAPEX), headcount (including headcount of partners) * Output: Revenue, customer numbers/distribution between segments, quality, growth, customer satisfaction 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「operational efficiency」の詳細全文を読む スポンサード リンク
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