This paper provides a novel approach to ordering signals based on the property that more
informative signals lead to greater variability of conditional expectations. We define two …

How much information does an auctioneer want bidders to have in a private value
environment? We address this question using a novel approach to ordering information …

This paper studies an auction model in which one of the bidders, the insider, has better
information about a common component of the value of the good for sale, than the other …

This paper provides a novel approach to ordering signals based on the property that more
informative signals lead to greater variability of conditional expectations. A new class of …

This paper studies the incentives faced by competing auctioneers who can provide
information to prospective bidders about their valuations of the objects for sale. We consider …