The phenomenon that some people may actually pay a higher price for auctioned products than they would pay an online retailer is known as ________.

Question

BlackTom AI · Accepted Answer

The winner’s curse describes this phenomenon.

1) Relevant knowledge points and concepts
- Auction types: in many auctions the item's true value is uncertain to bidders (common-value auctions) or bidders have imperfect information.  
- Winner’s curse: the tendency for the winning bidder to be the one who most overestimated the item's value, and therefore to pay more than the item's actual worth.  
- Contrast concepts: dynamic pricing (seller adjusts prices over time or by customer), seller control/buyer control (not related to bidders overpaying).

2) Step-by-step reasoning
- Bidders form independent estimates of an item’s value based on limited information.  
- Each bidder submits a bid based on their estimate. The highest bid wins.  
- Because the highest bid likely came from someone with an overly optimistic estimate, the winner often pays more than the item’s true value or more than a guaranteed retail price.

3) Numerical example (intermediate steps)
- True market value (unknown) = $100.  
- Bidder A estimate = $90 → bids $90.  
- Bidder B estimate = $110 → bids $110 (highest).  
- Bidder C estimate = $105 → bids $105.  
- Winner = Bidder B pays $110, which is $10 more than true value $100 (and $10 more than a retailer price of $100). This demonstrates the winner’s curse.

4) Why the correct answer is correct
- The definition and mechanism above precisely match option D: the winner’s curse — the phenomenon where winning an auction can mean you overpaid because your estimate was too high.

5) Why the other options are incorrect
- A. seller control: refers to seller’s influence or policies, not overbidding by winners.  
- B. buyer control: implies buyers dictate terms, unrelated to overestimating value in auctions.  
- C. dynamic pricing: pricing strategy where sellers change prices over time or by user, not the auction overpayment effect.

6) Conclusion
- The correct answer is D. the winner’s curse, which matches the provided answer.

The phenomenon that some people may actually pay a higher price for auctioned products than they would pay an online retailer is known as ________.单项选择题

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