Examlex
Which of the following statements is (are) TRUE?
I. If a firm has economies of scale, long-run average total cost rises with increases in output.
II. Diseconomies of scale are associated with the portion of the long-run average total cost curve that slopes upward.
III. For the long-run average total cost curve to slope downward, the total cost of production must increase less than proportionately with output.
IV. A firm may have economies of scale despite a production function with constant returns to scale.
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The part of the cerebral cortex involved in decision making, problem-solving, control of purposeful behaviors, consciousness, and emotions.
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