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Increasing Marginal Cost in the Short Run
A firm's marginal cost—the expense of producing one additional unit—is not always constant, especially when some inputs are fixed. In the short run, a period where a firm's capital stock like equipment is fixed, marginal cost tends to increase as output rises. This happens because to produce more, the firm must intensify its use of variable inputs. For instance, a car manufacturer with a fixed amount of machinery may need to pay higher overtime wages to workers to increase production, which raises the marginal cost for each additional car. This can lead to a situation where the marginal cost of production exceeds the average cost.
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The graph of a firm's total cost (TC) as a function of output quantity (Q) is shown. A tangent line drawn to the curve at an output level of Q1 is visibly less steep than a tangent line drawn to the curve at a higher output level of Q2. Based on this graphical information, what can be concluded about the firm's marginal cost (MC) at these two points?
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Consider a firm's total cost curve plotted on a graph, with total cost on the vertical axis and quantity of output on the horizontal axis. The curve starts at a positive cost value on the vertical axis, initially rises at a decreasing rate (becoming flatter), and then begins to rise at an increasing rate (becoming steeper). This creates a curve with a distinct inflection point. At which point on this curve would the firm's marginal cost be at its minimum?
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A manufacturing firm observes that for every additional unit it produces, the cost to produce that specific unit remains constant. Which of the following statements best describes the firm's total cost curve when plotted with cost on the vertical axis and quantity on the horizontal axis?
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Short Run
Increasing Marginal Cost in the Short Run
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