问题


There is a single choice question about high school microeconomics. Answer the question by replying A, B, C or D.
Question: Consider a profit-maximizing firm in a perfectly competitive market with several sellers and several buyers (i.e., the firm is a "price taker" of the goods it sells and a "price taker" of the hourly wages it pays its workers). If a technological innovation made by someone in this firm were to significantly raise the firm's marginal physical product (but not that of any other firm's), then this innovation would
A. reduce the firm’s employment level, because fewer workers are now needed
B. raise the workers’ hourly wage as they now contribute more marginal revenue
C. lead the firm to hire more workers but not to raise their wages
D. lead the firm to hire more workers and to pay them higher wages
Answer:

答案

模型 模型答案 正确答案
金声玉亮2.0

The correct answer is C. lead the firm to hire more workers but not to raise their wages.

In a perfectly competitive market, the firm is a price taker, meaning it has no control over the price of the goods it sells or the wages it pays its workers. The technological innovation increases the firm's marginal physical product, making each worker more productive. As a result, the firm will want to hire more workers to take advantage of the increased productivity, but it will not raise their wages because it is still a price taker in the labor market and must pay the market wage.
C
deepseekr1

C. lead the firm to hire more workers but not to raise their wages

**Explanation:**
In a perfectly competitive labor market, the firm is a wage taker, meaning the market determines the wage, and the firm cannot influence it. The technological innovation increases the firm’s marginal physical product (MPP), which raises its marginal revenue product (MRP = MPP × product price). Since the firm hires workers until MRP equals the market wage, the higher MRP incentivizes the firm to hire more workers. However, because the wage is set by the broader market (unaffected by this single firm’s innovation), the wage itself does not rise. Thus, the firm expands employment but does not raise wages. Options A, B, and D incorrectly assume changes in wages or employment levels inconsistent with the price-taker assumption.
C
gpto1 C C
GPT-4o C. lead the firm to hire more workers but not to raise their wages C
llama3.1-70B-Instruct

C
C
llama3.1-405B-Instruct

C
C
DeepSeek-Coder-V2 D C
Qwen2-72B-Instruct D. lead the firm to hire more workers and to pay them higher wages C
baichuan4 D C
doubao D

With a significant increase in the firm's marginal physical product, the firm would be able to produce more output with the same amount of inputs or the same output with fewer inputs. This would likely lead to an increase in demand for workers (hire more workers) as the firm expands production, and since the marginal revenue generated by each additional worker is higher, the firm would also be willing to pay them higher wages.
C
minimax C. lead the firm to hire more workers but not to raise their wages

In a perfectly competitive market, a firm that experiences an increase in marginal physical product due to technological innovation can produce more output at the same cost. Since the firm is a price taker, it can sell the additional output at the market price without affecting the price. This would increase the firm's marginal revenue product (MRP), which is the marginal revenue (MR) times the marginal physical product (MPP). However, because the innovation only affects this firm and not the market wage rate, the firm can hire more workers at the prevailing market wage rate without having to increase wages. The firm would continue to hire workers as long as the marginal revenue product of each additional worker is greater than or equal to the wage rate.
C
kimi A. reduce the firm’s employment level, because fewer workers are now needed

Explanation: In a perfectly competitive market, a firm is a price taker, meaning it cannot influence the market price of its product. If a technological innovation significantly raises the marginal physical product (MPP) of the firm's workers, it means that each worker can produce more output per hour worked. This increased productivity would allow the firm to produce the same amount of output with fewer workers. Since the firm is a price taker, it cannot raise the price of its goods to reflect the increased productivity; therefore, it would not need to hire as many workers to produce the same quantity of goods. The wages of the workers would not necessarily increase because the market wage is determined by the competitive labor market, not by the firm's productivity.
C
wenxinyiyan C

Explanation:
In a perfectly competitive market, a firm is a price taker, meaning it cannot influence the price of the goods it sells or the wages it pays its workers. The firm's profit-maximizing decision is based on equating its marginal cost (MC) to the market price (P).

Now, consider a technological innovation that significantly raises the firm's marginal physical product (MPP). MPP is the additional output produced by hiring one more worker, keeping other inputs constant. An increase in MPP means that each additional worker now contributes more to total output.

Here's how the options break down:

A. reduce the firm’s employment level, because fewer workers are now needed - This is not necessarily true. While fewer workers might be needed to produce the same level of output, the firm might choose to produce more output to maximize profits. The key is to look at the relationship between marginal cost and marginal revenue.

B. raise the workers’ hourly wage as they now contribute more marginal revenue - In a perfectly competitive labor market, the firm is a price taker of wages. This means it cannot unilaterally raise the wages it pays its workers. Workers' wages are determined by the market, not by how much they contribute to marginal revenue.

C. lead the firm to hire more workers but not to raise their wages - This is the correct answer. With an increase in MPP, the firm's marginal cost of production (assuming other costs remain constant) will decrease because each additional worker adds more output. This allows the firm to produce more at a lower marginal cost, increasing its profits. However, as a price taker in the labor market, the firm cannot raise wages. It will hire more workers at the market wage rate to expand production.

D. lead the firm to hire more workers and to pay them higher wages - As explained above, the firm cannot pay higher wages just because its workers are more productive. Wages are determined by the market, not by individual firms.

Therefore, the correct answer is C: the technological innovation would lead the firm to hire more workers but not to raise their wages.
C
zhipu C. lead the firm to hire more workers but not to raise their wages

Explanation: In a perfectly competitive market, firms are price takers for both the goods they sell and the wages they pay. If a technological innovation increases the firm's marginal physical product (MPP), it means each worker can produce more output. This would likely increase the firm's demand for labor because each worker is now more productive, leading the firm to hire more workers.

However, since the firm is a price taker in the labor market, it cannot unilaterally raise wages; the wage rate is determined by the overall market conditions. Therefore, the firm would hire more workers at the prevailing market wage, rather than raising wages. This makes option C the correct answer.
C
gpto1 C C