Abstract:
We analyze the role resale creates for zero-value bidders, called speculators, in standard auctions with symmetric independent private values buyers. English/second-price auctions always have equilibria with active resale markets and positive profits for a speculator. In first- price/Dutch auctions, the unique equilibrium can involve an active resale market, but is never profitable for a speculator. In all standard auctions, allowing resale can increase the initial seller's revenue and lead to an inefficient allocation. First-price and second-price auctions are not revenue equivalent.