We analyze dynamic allocations in a model with uncertain demand and with unobservable arrivals. The planner learns along the way about future demand, but strategic agents, who anticipate this behavior, strategically choose the timing of their arrivals. We examine the conditions under which the...

We derive the revenue maximizing mechanism for a risk-neutral seller whofaces Yaari's [1987] dual risk-averse bidders. The optimal mechanism offers "full-insurance" in the sense that each agent's utility is independent of other agents'reports. The seller excludes less types than under risk...