What, Exactly, Is Efficiency?
Efficiency is always a ratio, expressed as the amount of output per unit of input. Mathematically, it seems straightforward, as if there was one widely agreed upon definition of the components of the numerator and denominator. In an intellectual capital economy, however, it is a conundrum. Take the denominator in the ratio. Which inputs should be included? If we are dealing with wine, we could count the costs of the grapes, the bottles, corks, etc., none of which would help us define—let alone value—the final product. As they say, it is much easier to count the bottles than describe the wine. If we were dealing with Rembrandt’s efficiency, we could sum up the cost of paint, canvas, brushes, and even the amount of labor hours spent plying his craft. Would there be any relationship to the final value of the output? We can calculate how many surgeries the cardiologist performs in a given number of hours, but it doesn’t tell us anything about the quality of life for the patient. Was Einste
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