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Stanford economist Paul Milgrom was not prepared for the knock on his door early Monday morning from his neighbor.

“Paul, it’s Bob Wilson. You’ve won the Nobel Prize.”

Robert Wilson – Milgrom’s neighbor and former mentor – also happened to be his co-recipient for the 2020 Nobel Prize in Economic Sciences. After a short pause to take in the momentous news, Milgrom responded, “Wow, yeah. Okay.”

A security camera in front of Milgrom’s home in Stanford, California, recorded Wilson and his wife Mary sidling up to Milgrom’s front door in the predawn darkness and repeatedly knocking and ringing the doorbell to wake him up, as well as the ensuing exchange.

Wilson had been caught off-guard by the news just moments before – so much so that he had unplugged his home phone thinking it was an incoming spam call, prompting the Nobel committee to contact Wilson’s wife instead.

The Royal Swedish Academy of Sciences, which grants the Nobel prizes, awarded Milgrom and Wilson the $10 million Swedish kronor (about $1 million USD) prize, officially known as the “Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel,” for “improvements to auction theory and inventions of new auction formats.”

“They have also used their insights to design new auction formats for goods and services that are difficult to sell in a traditional way, such as radio frequencies … Their discoveries have benefited sellers, buyers and taxpayers around the world,” said the Royal Swedish Academy of Sciences in their statement.

“Bob Wilson and Paul Milgrom’s path-breaking discoveries in auction theory opened up new possibilities in real-world transactions,” said Stanford President Marc Tessier-Lavigne. “Their insights into bidding and pricing have become integral to our modern economy. Their work is a shining example of the ways in which both fundamental discovery and its application to practical solutions make enormous contributions to modern society. All of us at Stanford are tremendously proud of their accomplishments.”

Making novel things happen

Wilson and Milgrom are internationally known for their research and teaching on auction market design, pricing, negotiations and other topics concerning industrial organization and information economics. Together and individually, the pair have played an important role in auction designs and competitive bidding strategies for the communications, oil and power industries, and in the design of innovative pricing schemes. Wilson has also influenced a generation of younger economists, including Milgrom.

Wilson and Milgrom are credited with shaping the entire modern telecommunications industry, which arose from an auction format they developed, along with American economist Preston McAfee, for the 1994 radio spectrum auctions by the Federal Communications Commission (FCC). Auctions using their design have been used worldwide to allocate licenses worth more than $100 billion.

Milgrom said he was honored by the recognition of his and Wilson’s work that pushed the boundaries of their discipline and hopes the award will help pave the way for the consideration of other seemingly radical ideas.

“There are times that I have ideas and people think, ‘That’s too novel, that’s crazy, we’re not going to try that,’ ” said Milgrom, who holds the Shirley R. and Leonard W. Ely, Jr. Professorship in the School of Humanities and Sciences and is a senior fellow at the Stanford Institute for Economic Policy Research (SIEPR). “But I think that one of the effects of a prize like this is that people will pause before rejecting. They’ll take things more seriously, and that will help me make novel things happen.”

“Milgrom’s important research in the field of economics creates new knowledge and then uses that knowledge to help us better understand, and help solve, real-world problems including how to best distribute resources which are difficult to sell in a traditional way,” said Debra Satz, Vernon R. and Lysbeth Warren Anderson Dean of the School of Humanities and Sciences and Marta Sutton Weeks Professor of Ethics in Society. “In addition to being the world’s leading auction designer, along with Robert Wilson, he is also a theorist of extraordinary range across micro-economics. His work is a wonderful example of how fundamental theoretical research can have astounding practical applications.”

Wilson called the work that he and Milgrom did together “very exciting.” “I’m very happy to share this acknowledgment with him,” said Wilson, the Adams Distinguished Professor of Management, Emeritus, at the Stanford Graduate School of Business.

“Paul Milgrom and Robert Wilson are giants in the field of auctions and market design,” said Jonathan Levin, the Philip H. Knight Professor and Dean of Stanford Graduate School of Business. “Their contributions stand out for their theoretical depth and have enabled the creation and improvement of markets around the world. We celebrate their achievements and congratulate them on this eagerly-awaited and auspicious day.”

Indeed, Milgrom is not the only award-winning pupil Wilson has mentored – in fact, Milgrom is his third student to have won the Nobel economics prize, after Alvin Roth, who is also a professor of economics at Stanford and Bengt Holmstrom, who teaches at MIT. “I have a lot of pride about that,” Wilson said.

“Bob is now a patriarch of Nobel winners,” said Roth, who was awarded the Nobel in 2012 for his work on market design. “This is a dynasty, and this dynasty isn’t done when you think of the potential for Paul’s students and my students to have an impact.”

Roth, the Craig and Susan McCaw Professor of Economics and a �������senior fellow, said Milgrom and Wilson not only developed auction theory but also helped shepherd it into practice. “They didn’t just hit the ball; they ran out there and caught it,” Roth said. “They changed the way we understand auctions.”

Roth said Milgrom sounded “stunned” when the two spoke early Monday morning. “The feeling never completely goes away,” Roth said, eight years after receiving the same early-morning call from Sweden.

Teaching the next generation of economists

In addition to Milgrom’s work on auction design and other areas of economics, he is well known at Stanford for his mentorship and teaching.

“Everyone knows him as a terrific adviser,” said Mark Duggan, the Trione Director of �������and the Wayne and Jodi Cooperman Professor of Economics. “It’s an honor to have him as a colleague and senior fellow at SIEPR, and this win with Bob is incredibly well deserved. They have had such a tremendous impact.”

Read more about Milgrom's impact as a mentor

Mitch Watt, who is doing his doctoral studies under Milgrom and was also one of his research assistants, recounted a recent example of Milgrom’s commitment to his students. He and Milgrom had been emailing back-and-forth late into the night the day before, discussing how to best prepare for his upcoming fall quarter course that will be held remotely due to the ongoing pandemic. “He emailed me, working out how to make his lecture slides the best they can be for Zoom teaching,” Watt said. “The number one thing that doesn’t come across in a Nobel Prize win is his devotion to his students.”

Watt has also been impressed by the way Milgrom assesses his students’ project proposals, which is to look for questions that are also interesting puzzles. “In economics sometimes we are naturally drawn to questions that are difficult mathematically or sophisticated but he’s never motivated by that,” Watt said. “He’s always motivated by interesting and important questions about phenomena we don’t understand in the world.”

Wilson is also described as an enthusiastic mentor by his students. “Bob is always super excited,” said Milena Wittwer, who is currently a PhD student in the Economics Department at Stanford. As a young scholar, she found that enthusiasm inspiring. 

Wittwer recalled how, when the two of them discussed ideas in Wilson’s Stanford office, he would often go over to his whiteboard and immediately begin breaking down abstract concepts into actionable items to explore. 

“Maybe I said it in a very abstract way, or maybe I wasn’t even sure what I was saying but he would make it immediately clear and transparent,” Wittwer said. “I found it astonishing to see how someone could break down these things so fast and build very concrete pictures.” 

According to Susan Athey, who studied with Wilson in the 1990s, this is a familiar pedagogical approach Wilson takes when grappling with complex ideas.

“He sees ideas instantly, crystallizes the key elements, and translates them into precise mathematics before you have finished your sentence,” said Athey, who is now a �������senior fellow and professor of economics at Stanford GSB. “At first, frankly, this was a bit terrifying, since he could understand and build upon something I’d spent days on, in seconds. But the thing that makes him a great advisor was that he is so joyful and enthusiastic in the process, that the positive energy helps you forget the insecurity and just focus on the problem at hand.”

Current applications

Even with decades of ground-breaking discoveries, it is the work Milgrom and Wilson are focused on today that they consider their most exciting and energizing, said Levin at  held over Zoom on Monday.

For example, the pair described their current explorations into how to apply auction design to address some of the challenges posed by the COVID-19 pandemic – specifically the distribution of scarce medical supplies, such as personal protective equipment (PPE) and respirators. 

“All of us remember early in the pandemic the terrible disorganization we had in allocating, for example, respirators where the states were competing against each other and simply bidding up the prices,” Milgrom recalled, adding that these strains demonstrate the need for well thought out systems.

“The rules of markets do matter and in times of crisis,” Milgrom added. “Part of what we do in market design is try to think about all the aspects of systems – competition, distribution, solving hard complex problems – and making sure that the systems we have in place are up to the task.” 

Another issue the pair have turned their attention to of late is how to accelerate the deployment of fifth-generation, or “5G,” wireless technology. One of the hurdles to rolling out high-speed wireless is figuring how to reallocate the limited airwave spectrum that is currently unavailable to use. 

“What we achieve through the auction is compensation that people are willing to accept,” Wilson said. “Competition among them keeps the prices reasonable and lets us do a much faster transition than the political process and to do it efficiently.”

Wilson gave a special thanks in his remarks to �������, which he said has supported his interest in foundational, or basic, economics research for nearly 60 years. “This has been really important to me. I think of the work I’ve done … as being a fount from which has flowed these applications,” Wilson said. “I really feel the university plays this very special role in sustaining basic research that develops new perspectives, new ideas, and gives us new insights that then leads to these new applications.”

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