Looks more like a normal first-price auction to me. “B bids $100, D bids $15, so D ‘wins’ the bid, and B pays them $15 to go get the kids from their grandma’s.” The low bidder wins, and receives the amount they bid. In a Vickrey/second-price auction B would pay D $100.
Looks more like a normal first-price auction to me. “B bids $100, D bids $15, so D ‘wins’ the bid, and B pays them $15 to go get the kids from their grandma’s.” The low bidder wins, and receives the amount they bid. In a Vickrey/second-price auction B would pay D $100.