When a firm decides how many workers to hire, it's essentially balancing the cost of labor against the revenue generated by that labor. This decision is rooted in how production works.

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In a perfectly competitive market, firms are price takers for both their output (the product they sell) and their inputs (like labor). This means they can't influence the market wage rate or the market price of their good. Their goal is to maximize profit.

In the short run, at least one input (like capital, e.g., the factory size) is fixed. Firms want to maximize profits, and for labor decisions, this means comparing the benefit of hiring an additional worker to the cost of that worker.

TOPIC: Long-Run Demand for Labor and Elasticity

Long-Run Demand for Labor and Elasticity

When wages change in the long run, firms react in two main ways:

In economics, firms decide how much of a resource (like labor or capital) to hire by comparing the cost of that resource to the benefit it brings. The benefits are measured by Marginal Revenue Product (MRP) and Value of Marginal Product (VMP).