问题


There is a single choice question about marketing. Answer the question by replying A, B, C or D.
Question: A 10% increase (decrease) in price produces a 10% decrease (increase) in quantity demanded. This is referred to as:
A. Zero price elasticity of demand.
B. Infinite price elasticity of demand.
C. Unit price elasticity of demand.
D. Indefinite price elasticity of demand.
Answer:

答案

模型 模型答案 正确答案
金声玉亮2.0 C. Unit price elasticity of demand. C
deepseekr1

C. Unit price elasticity of demand.

**Explanation**:
Price elasticity of demand (PED) is calculated as:
\[
\text{PED} = \frac{\%\ \text{change in quantity demanded}}{\%\ \text{change in price}}
\]
In this scenario, a 10% price change leads to a 10% change in quantity demanded. Plugging into the formula:
\[
\text{PED} = \frac{10\%}{10\%} = 1
\]
A PED of **1** indicates **unit elasticity**, where the percentage change in quantity demanded is exactly proportional to the percentage change in price.

- **A (Zero elasticity)**: Incorrect, as this would mean quantity demanded does not respond to price changes (PED = 0).
- **B (Infinite elasticity)**: Incorrect, as this describes perfectly elastic demand (e.g., horizontal demand curve), where a tiny price change causes an infinite quantity response.
- **D (Indefinite)**: Not a standard term in elasticity analysis.

Thus, the correct answer is **C**.		 C
gpto1 C C
GPT-4o C. Unit price elasticity of demand. C
llama3.1-70B-Instruct

C		 C
llama3.1-405B-Instruct

C		 C
DeepSeek-Coder-V2 C. Unit price elasticity of demand. C
Qwen2-72B-Instruct C. Unit price elasticity of demand. C
baichuan4 C. Unit price elasticity of demand. C
doubao C

When a 10% change in price leads to an equal 10% change in quantity demanded, it indicates unit price elasticity of demand.		 C
minimax C. Unit price elasticity of demand. C
kimi C. Unit price elasticity of demand. C
wenxinyiyan C. Unit price elasticity of demand.

Explanation:
Price elasticity of demand measures the responsiveness of quantity demanded to a change in price. It is calculated as the percentage change in quantity demanded divided by the percentage change in price.

In this case, a 10% increase (or decrease) in price leads to a 10% decrease (or increase) in quantity demanded. This means that the percentage change in quantity demanded is equal to the percentage change in price, resulting in a price elasticity of demand equal to 1. This is referred to as unit price elasticity of demand.		 C
zhipu C. Unit price elasticity of demand.

In this scenario, a 10% change in price results in a 10% change in quantity demanded, which indicates that the price elasticity of demand is exactly 1. This is the definition of unit price elasticity of demand.		 C
gpto1 C C