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Nobel: US auction theorists win Economics Prize


Paul Milgrom and Robert Wilson have won the 2020 Nobel Economics Prize for their work on auction theory.

The Stanford University game theorists have helped in developing formats for the sale of aircraft landing slots, radio spectrums, and emissions trading. The Royal Swedish Academy of Sciences said their work “benefitted sellers, buyers and taxpayers” worldwide. Game theory uses mathematics to study decision-making, conflict, and strategy in social situations.

“This year’s laureates in economic sciences started out with fundamental theory and later used their results in practical applications, which have spread globally. Their discoveries are of great benefit to society,” said Peter Fredriksson, chair of the prize committee.

Prof Wilson developed a theory for auctions where the value of the object on the block is uncertain beforehand but ends up being the same for everyone – for example, the value of radio frequencies, or the volume of a mineral in a particular area.

He also developed a theory as to why rational bidders tend to place maximum bids that are below what they estimate the actual value of the object to be: they are worried about the so-called “winner’s curse” – overpaying to win the auction.

Prof Milgrom put together a theory which takes into account not only auctions where the object turns out to have the same value for all the bidders, but also for auctions where the object is valued differently by different bidders.

He demonstrated that the seller should get a higher revenue when bidders learn more about each other’s estimated values during bidding.

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