This paper investigates the importance of bidder types and product types in online charity auctions. Through a large-scale controlled field experiment, the authors identify charitable and non-charitable bidders, and investigate bidding activities in charity and non-charity auctions. Results show...

Research on bidding in auctions has generally relied on the assumption of self-interested bidders. This work relaxes that assumption in the context of charity auctions. As understanding charitable motives has important implications for auction design and charities’ fundraising strategies, this...