Two American economists, Paul R. Milgrom and Robert B. Wilson, were awarded the Nobel in economic science on Monday for improvements to auction theory and inventions of new auction formats — innovations that have had huge practical applications when it comes to allocating scarce resources. The pair, close collaborators who are both affiliated with Stanford University, pioneered a type of auction that governments have since used to bid radio frequency. “They haven’t just profoundly changed the way we understand auctions — they have changed how things are auctioned,” said Alvin E. Roth, a Nobel laureate himself who was one of Mr. Wilson’s doctoral students. “The two of them are some of the greatest theorists living in economics today.” Auctions help to sell a variety of products, including diamonds, minerals and online advertising. They can also take on various characteristics: Objects can have a shared, common value for all bidders (such as commodities like oil) or private values that vary across bidders (like art). Bidders may know exactly what the object’s value is, or they may have imperfect information. Bids can be open, meaning everyone can see them, or closed. Mr. Wilson “was the first to create a framework” for auctions of items with a common value, according to the prize committee. In his work, he explained that bidders will offer less than they think the object or service is worth because they are afraid of overpaying — the winner’s curse — even more acutely when they are at an information disadvantage. But in most auctions, bidders have both common and private values — when buying a house, for instance, shoppers think about both what they personally like about the amenities and what the market value of the home might be. Mr. Milgrom came up with a theory to deal with that mix of common and private value, and he examined how the “winner’s curse” plays out in such instances. He found that people underbid by less in so-called English auctions, in which prices start low and are raised, than in Dutch auctions, where they start high and are reduced. The 2020 Nobel Prizes Updated Oct. 12, 2020 Yet the pair’s “best-known contribution,” according to the committee, is their work in designing new auction formats for complex situations, including the format that governments now use to allocate radio frequencies to telecom operators. Radio bandwidth was once allocated by “beauty contests” in which operators made a case for why they should get it — leading to intense lobbying. In the 1990s, the Federal Communications Commission pushed, and Congress permitted, a switch to lottery-based allocation of bandwidth. Initially, though, the new approach also worked poorly: The lotteries were held locally, leading to fractured networks for national operators, among other problems. Mr. Milgrom and Mr. Wilson came up with a new format that allowed the simultaneous auctioning of the many geographic areas of the radio spectrum across various bidders, starting with low prices and allowing repeated bids. The F.C.C. adopted the approach in 1994, and found that it allowed them to dole out the radio space while also raising far more money. The Milgrom and Wilson approach met with such success that many other countries, including Britain, Canada, and Spain, went on to adopt it. The economists “started out with fundamental theory and later used their results in practical applications, which have spread globally,” Peter Fredriksson, chairman of the prize committee, said in a release accompanying the announcement. “Their discoveries are of great benefit to society.” Auction theory can have even broader application, the winners said during a Stanford news conference on Monday. Mr. Wilson cited his work on diamond pricing, among other examples, while Mr. Milgrom pointed to the challenge in allocating respirators early in the pandemic crisis. He said that the bottleneck, which forced states to chaotically bid against one another without expanding the supply of ventilators, illustrated how market design matters. “We need well-thought out systems, and part of what we do in market design is try to think about all of the aspects of systems — competition, distribution, solving hard complex problems,” Mr. Milgrom said during a news conference held by Stanford. Who are the winners? Mr. Wilson was born in 1937 in Geneva, Neb., earned both his bachelor’s and graduate degrees from Harvard University, and he is now a professor emeritus at Stanford University. Mr. Milgrom was born in 1948 in Detroit. He completed his bachelor’s at the University of Michigan and his graduate education at Stanford, where he received a doctorate in 1979 and where he is now a professor. He, like Mr. Roth, was a doctoral student of Mr. Wilson’s. “Bob is a patriarch of a Nobel dynasty,” Mr. Roth joked, noting that Mr. Wilson also advised the laureate Bengt R. Holmstrom. Mr. Milgrom and Mr. Wilson live on the same street in Stanford, and Mr. Wilson went to Mr. Milgrom’s house to tell him that they had won the prize in Monday morning’s very early hours (the prize is announced at around 2:45 a.m. California time). “My phone was in do-not-disturb, I like to sleep at night,” Mr. Milgrom said. Mr. Wilson first told him the news through his video doorbell system. A groggy-sounding Mr. Wilson then called into the prize committee’s news conference. Asked if he himself had ever bought something at auction, he at first thought he had not. “My wife points out to me — we bought ski boots on eBay,” he eventually concluded. “I guess that was an auction.” Mr. Milgrom said in an interview that he had received an outpouring of congratulations from friends and colleagues and that his grandson, who is about to turn 9, said that he might even be “famous enough” to be on YouTube soon. Who won last year’s economics prize? Abhijit Banerjee and Esther Duflo, both of M.I.T., and Michael Kremer of Harvard were honored for more than 20 years of economic research to develop new ways to study — and help — the world’s poor. Read more about them here. Who are this year’s other Nobel Prize laureates? The Nobel Prize in Physiology or Medicine, announced on Monday in Sweden, was awarded to three scientists for their work discovering the hepatitis C virus. Read more about the winners, Harvey J. Alter, Michael Houghton and Charles M. Rice. Half of the Nobel Prize in Physics, announced on Tuesday in Sweden, was awarded to Roger Penrose for showing how black holes could form, and the other half went to Reinhard Genzel and Andrea Ghez for discovering a supermassive object at the Milky Way’s center. Read more about the winners. The Nobel Prize in Chemistry was announced on Wednesday in Sweden. Read more about the winners, Emmanuelle Charpentier and Jennifer A. Doudna, who developed the Crispr tool, which can change the DNA of animals, plants and microorganisms with high precision. The Nobel Prizes in Literature was announced on Thursday in Sweden. Read about the recipient, Louise Glück, one of America’s most celebrated poets. The World Food Program, a United Nations agency, was awarded the Nobel Peace Prize on Friday for its efforts to combat hunger globally and lay the foundations for peace in nations devastated by war. The organization was recognized for its work during a coronavirus pandemic that has “contributed to a strong upsurge in the number of victims of hunger in the world.”
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