Buyers are powerful when:

• A. the market price is set above their willingness to pay
• B. there are few buyers and many sellers
• C. their willingness to pay is much higher than the market price
• D. consumer surplus is zero

Answer: (C)

Verified step by step guidance

1. Understand the concept of buyer power in microeconomics, which refers to the ability of buyers to influence the price or terms of purchase in a market.
2. Recall that buyer power is typically strong when buyers can purchase goods at prices significantly lower than their maximum willingness to pay, allowing them to gain consumer surplus.
3. Analyze each option: if the market price is above willingness to pay, buyers will not purchase, so they are not powerful; if there are few buyers and many sellers, buyers have less power due to less competition among buyers.
4. Recognize that consumer surplus is the difference between willingness to pay and the market price, so if consumer surplus is zero, buyers are paying exactly what they are willing to pay, indicating no buyer power.
5. Conclude that buyers are powerful when their willingness to pay is much higher than the market price, as this means they gain surplus and can influence market conditions.