What does the height of the supply curve in a labor market represent?

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The height of the supply curve in a labor market represents the minimum payment required to induce the worker to work, which is the opportunity cost of their time and effort. As the wage rate offered in the market increases, the quantity of workers supplied also increases, leading to a positively sloped supply curve. The slope of the supply curve represents the marginal cost of labor, or the additional cost incurred by firms to hire one more worker.

What Does the Height of the Supply Curve in a Labor