Corporations, as well as nonprofit organizations, use cost centers to keep track of expenses. A cost center is a unit within a larger system that is responsible for a particular set of activities that ...

This study develops a new use of data envelopment analysis for estimating a stochastic frontier cost function that is assumed to have two different error components ...

In this article we have adapted productivity analysis to the case of a cost model using a quadratic cost function and discrete data. The main theoretical result is a productivity index that can be ...

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Marginal cost refers to the change in total cost arising from the production of one additional unit. For example, in a manufacturing firm, the marginal cost will give a measure of the change in total ...