In a double auction, buyers and sellers both make price bids.The Swedish academy says the theory also explains why there is often no good market solution to providing some goods, like uncrowded roads.

• 在二次拍卖中，买卖双方都可以竞标，瑞典皇家学会说这个理论也解释了为什么没有好的市场解决方案来提供货品，像畅通的道路。