A perfectly competitive firm will hire workers up to the quantity at which the wage rate equals the:.

marginal revenue product.

Explanation:

A perfect competition is characterized by many buyers and sellers of homogenous goods and services. Market prices are set by the forces of demand and supply. There are no barriers to entry or exit of firms into the industry.

In the long run, firms earn zero economic profit. If in the short run firms are earning economic profit, in the long run firms would enter into the industry. This would drive economic profit to zero.

Also, if in the short run, firms are earning economic loss, in the long run, firms would exit the industry until economic profit falls to zero.

A perfectly competitive firm will hire workers up to the quantity at which marginal cost of labor equals marginal revenue

why

explanation:

answer; rapid growth in buyer demand and high buyer switching cost;