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A profit-maximizing firm should hire workers up to the point where labor's marginal revenue product equals the wage rate.
Marginal Revenue
The increased earnings resulting from the sale of one extra unit of a good or service.
Marginal Cost
The increased cost resulting from the production of an additional unit of a good or service.
Economic Profit
The difference between a firm's total revenues and its total costs, including both explicit and implicit costs, indicating the actual profitability of the company beyond just accounting profit.
Purely Competitive
A market structure characterized by many buyers and sellers, homogeneous products, and no barriers to entry or exit.
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