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We evaluate United States Department of Agriculture (USDA) food procurement auctions. The Department spends nearly $1 billion a year for products for domestic feeding programs, such as the National School Lunch Program, and another $2.5 billion for international food programs. USDA's purchasing relics primarily on auction mechanisms designed to induce “hard” manufacturer price competition. We compare private‐sector prices to low bids in 25,000 auctions, and find that typical private‐sector prices substantially exceed USDA low bids for comparable products. We also assess the effects of competition on low bids. Low bids fall as the number of bidders increases, and the effects are nonlinear. Additional bidders have a very small effect on prices when there are already five or six bidders, but a stronger effect in markets with only one or two bidders. Even in this highly transparent bidding environment, competition matters.