This paper presents the authors' rejoinder to Zeithammer and Adams [Zeithammer, R., C. Adams. 2010. The sealed-bid abstraction in online auctions. Marketing Sci. 29(6) 964-987]. This rejoinder clarifies and qualifies conclusions of the original paper and makes suggestions for fruitful areas of...

This paper presents five empirical tests of the popular modeling abstraction that assumes bids from online auctions with proxy bidding can be analyzed "as if" they were bids from a second-price sealed-bid auction. The tests rely on observations of the magnitudes and timings of the top two proxy...

This paper analyzes optimal selling strategies of a monopolist facing forward-looking patient unit-demand bidders in a sequential auction market. Such a seller faces a fundamental choice between two selling regimes: selling that involves learning about remaining demand from early prices, and...

With increasing numbers of consumers in auction marketplaces, we highlight some recent approaches that bring additional economic, social, and psychological factors to bear on existing economic theory to better understand and explain consumers' behavior in auctions. We also highlight specific...