问题


There is a single choice question about high school microeconomics. Answer the question by replying A, B, C or D.
Question: A competitive firm's demand for labor is determined directly by
A. profits
B. the opportunity cost of workers’ time
C. the wage and the average (physical) product of labor
D. the marginal (physical) product of labor and the output price
Answer:

答案

模型 模型答案 正确答案
金声玉亮2.0

D
D
deepseekr1

The demand for labor in a competitive firm is derived from the **marginal revenue product of labor (MRP)**, which equals the **marginal physical product of labor (MPL)** multiplied by the **output price (P)**. This relationship (MRP = MPL × P) directly determines how much labor a firm will hire, as firms maximize profit by equating MRP to the wage rate.

- **Option D** correctly identifies the two key factors: the marginal product of labor and the output price.
- Other options (e.g., average product, opportunity cost, or profits) are not the **direct determinants** of labor demand in this context.

**Answer: D**
D
gpto1 D D
GPT-4o D. the marginal (physical) product of labor and the output price D
llama3.1-70B-Instruct

D
D
llama3.1-405B-Instruct

D
D
DeepSeek-Coder-V2 D D
Qwen2-72B-Instruct D. the marginal (physical) product of labor and the output price D
baichuan4 C D
doubao D

In a competitive market, a firm's demand for labor is determined by the marginal physical product of labor and the output price. The marginal physical product of labor measures the additional output produced by an additional unit of labor, and the output price determines the value of that additional output. Firms will hire labor up to the point where the marginal revenue product of labor (marginal physical product times output price) equals the wage rate. Profits are the result rather than the direct determinant. The opportunity cost of workers' time is a factor for workers but not the direct determinant for the firm's demand for labor. The wage and average physical product of labor alone do not fully determine the firm's demand.
D
minimax D. the marginal (physical) product of labor and the output price D
kimi D. the marginal (physical) product of labor and the output price D
wenxinyiyan D

Explanation:
In a competitive market, a firm's demand for labor is based on the marginal productivity theory, which states that a firm will hire additional workers up to the point where the marginal product of labor (MPL) equals the wage rate. The marginal product of labor represents the additional output that can be produced by hiring one more worker.

The firm's demand for labor is thus determined by two factors:

1. The marginal (physical) product of labor (MPL): This is the additional output produced by an additional worker.

2. The output price: This is the price that the firm receives for its output in the market.

The firm calculates the marginal revenue product of labor (MRPL), which is the MPL multiplied by the output price. The firm will hire workers up to the point where the MRPL equals the wage rate, because at this point, the additional revenue generated by hiring one more worker is equal to the additional cost of hiring that worker.

Therefore, the correct answer is D: the marginal (physical) product of labor and the output price.
D
zhipu D. the marginal (physical) product of labor and the output price

In microeconomics, a competitive firm's demand for labor is primarily determined by the marginal product of labor (the additional output produced by an additional unit of labor) and the price of the output produced. This is because firms will hire labor up to the point where the marginal revenue product of labor (which is the marginal product of labor multiplied by the output price) equals the wage rate.
D
gpto1 D D