Efficiency Variance

Efficiency Variance
The difference between the theoretical amount of inputs required to produce a unit of output and the actual amount of inputs used. In manufacturing, efficiency variance can be used to analyze the effectiveness with respect to labor, materials, machine time and other production factors.

An important factor in measuring efficiency variance is the development of a set of realistic assumptions surrounding the theoretical amount of inputs that should be required. If the actual amount of inputs used exceeds the amount theoretically required, there is a negative efficiency variance. On the other hand, if actual inputs are less than the amounts theoretically required, then there would be a positive efficiency variance. Since the baseline theoretical inputs are often calculated for the optimal conditions, a slightly negative efficiency variance is normally expected.


Investment dictionary. . 2012.

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  • fixed overhead efficiency variance — In a system of standard costing, the difference arising between the actual labour hours worked and the standard time allowed for the quantity actually produced, valued at the standard fixed overhead absorption rate per hour. See: overhead… …   Accounting dictionary

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