Driven by the low transaction costs and interactive nature of the internet, customer participation in the price-setting process has increased. Today, platforms such as eBay have popularized online auctions on a global scale, Priceline has made headlines with its name-your-own-price (NYOP)...

A price matching guarantee (PMG) is a promise to match a competitor's lower price. A price beating guarantee (PBG) is a promise to beat that price. This study presents a large-scale controlled field experiment involving pairs of simultaneous auctions to examine the impact of the presence versus...