Economic Definition of average total cost curve. Defined.
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Term average total cost curve Definition: A curve that graphically represents the relation between average total cost incurred by a firm in the short-run product of a good or service and the quantity produced. The average total cost curve is constructed to capture the relation between average total cost and the level of output, holding other variables, like technology and resource prices, constant. The average total cost curve is one the three average curves. The other two are average variable cost curve and average fixed cost curve.