What does a demand curve for labor show?

A demand curve for labor illustrates the relationship between the quantity of labor demanded by employers and the wage rate. Typically, it slopes downward, indicating that as wages decrease, the quantity of labor firms are willing to hire increases, and vice versa. This reflects the principle of diminishing marginal returns, where additional workers contribute less to overall productivity at higher wage levels. Overall, the curve helps to visualize how changes in wages affect employment levels in the labor market.