Short-run profit and loss: In the short run, a perfectly competitive firm can earn economic profit (P > ATC), break even (P = ATC), or incur a loss (P < ATC).
How to apply it: Use the relationship between price and ATC to determine whether a firm is earning profit, breaking even, or incurring a loss.
Course: AP Microeconomics · Unit: Production, Cost, and the Perfect Competition Model
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