We study entry and bidding patterns in sealed bid and open auctions with heterogeneous bidders. Using data from U.S. Forest Service timber auctions, we document a set of systematic effects of auction format: sealed bid auctions attract more small bidders, shift the allocation towards these...

'Notice and Choice' has been the reference framework for how firms elicit data from consumers. This paper investigates distortions in consumer behavior which may limit the ability of consumers to safeguard their privacy using data from a field experiment at MIT. There are three findings. First,...