"We develop and estimate an entry model for second price and open outcry independent private value auctions where potential bidders receive an imperfectly informative signal about their value prior to deciding whether to pay a sunk entry cost. In this way the model flexibly allows for selection...

"A bidding process can be organized so that offers are submitted simultaneously or sequentially. In the latter case, potential buyers can condition their behavior on previous entrants' decisions. The relative performance of these mechanisms is investigated when entry is costly and selective,...

Historical anecdotes of new investors being drawn into a booming asset market, only to suffer when the market turns, abound. While the role of investor contagion in asset bubbles has been explored extensively in the theoretical literature, causal empirical evidence on the topic is virtually...