We examine a setting of independent private value auctions where bidders can covertly acquire gradual information about their valuations. We demonstrate that a dynamic pivot mechanism implements the rst-best information acquisition and allocation rule. We apply our results to a commonly used...

We consider rent-seeking contests between and within two equal-sized groups. Each group adopts one of three sequences: first internal then external contest, first external then internal contest, and simultaneous internal and external contests. Groups cannot unilaterally postpone a contest...