Question A:
Constraints on the anti-competitive behavior of dominant firms in the digital economy can in principle be effectively implemented using the existing tools of competition policy and antitrust enforcement.
Responses
Responses weighted by each expert's confidence
Question B:
The effectiveness of existing antitrust regimes in constraining anti-competitive behavior is substantially limited by the inadequacy of the resources available to competition and regulatory agencies relative to the dominant firms of the digital economy.
Responses
Responses weighted by each expert's confidence
Question C:
Constraints on the anti-competitive behavior of dominant firms in the digital economy would be more effectively implemented than at present with ex-ante regulation such as Europe's Digital Markets Act and other forms of public utility regulation.
Details on Digital Markets Act here: https://digital-markets-act.ec.europa.eu/index_en
Responses
Responses weighted by each expert's confidence
Question A Participant Responses
| Participant | University | Vote | Confidence | Bio/Vote History |
|---|---|---|---|---|
 Daron Acemoglu |
MIT | Bio/Vote History | ||
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First, there is disagreement on what the scope of current tools are (e.g., can we use them to break up the gargantuan big tech?). Second, the high speed and uncontrolled rollout of (generative) AI necessitates new regulatory tools. These should target more than just competition.
-see background information here -see background information here |
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 Joseph Altonji |
Yale | Bio/Vote History | ||
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 Alan Auerbach |
Berkeley | Bio/Vote History | ||
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 David Autor |
MIT | Bio/Vote History | ||
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These don't apply well to unpriced goods.
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 Abhijit Banerjee |
MIT | Bio/Vote History | ||
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 Marianne Bertrand |
Chicago | Bio/Vote History | ||
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 Markus Brunnermeier |
Princeton | Bio/Vote History | ||
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 Raj Chetty |
Harvard | Did Not Answer | Bio/Vote History | |
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 Judith Chevalier |
Yale | Did Not Answer | Bio/Vote History | |
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 David Cutler |
Harvard | Bio/Vote History | ||
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 Angus Deaton |
Princeton | Bio/Vote History | ||
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 Darrell Duffie |
Stanford | Bio/Vote History | ||
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 Aaron Edlin |
Berkeley | Did Not Answer | Bio/Vote History | |
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 Barry Eichengreen |
Berkeley | Bio/Vote History | ||
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 Liran Einav |
Stanford | Bio/Vote History | ||
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 Ray Fair |
Yale | Bio/Vote History | ||
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 Amy Finkelstein |
MIT | Did Not Answer | Bio/Vote History | |
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 Pinelopi Goldberg |
Yale | Bio/Vote History | ||
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 Michael Greenstone |
University of Chicago | Bio/Vote History | ||
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 Robert Hall |
Stanford | Did Not Answer | Bio/Vote History | |
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 Oliver Hart |
Harvard | Bio/Vote History | ||
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I don't think antitrust laws are strong enough to constrain monopoly power resulting from size alone as opposed to acquisitions.
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 Bengt Holmström |
MIT | Bio/Vote History | ||
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We need to rethink regulation and competitive boundaries. Objectives and some old principles will apply, but new tools are needed, too.
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 Caroline Hoxby |
Stanford | Bio/Vote History | ||
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 Hilary Hoynes |
Berkeley | Bio/Vote History | ||
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 Kenneth Judd |
Stanford | Bio/Vote History | ||
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 Steven Kaplan |
Chicago Booth | Bio/Vote History | ||
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 Anil Kashyap |
Chicago Booth | Bio/Vote History | ||
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 Pete Klenow |
Stanford | Bio/Vote History | ||
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 Jonathan Levin |
Stanford | Bio/Vote History | ||
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 Eric Maskin |
Harvard | Bio/Vote History | ||
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 William Nordhaus |
Yale | Bio/Vote History | ||
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We are in the early stages, but US v Google will be instructive
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 Maurice Obstfeld |
Berkeley | Bio/Vote History | ||
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 Emmanuel Saez |
Berkeley | Did Not Answer | Bio/Vote History | |
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 Larry Samuelson |
Yale | Bio/Vote History | ||
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It is not clear that existing tools are up to the task - we may need a new understanding of natural monopoly, and new ways to deal with it.
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 José Scheinkman |
Columbia University | Bio/Vote History | ||
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 Richard Schmalensee |
MIT | Bio/Vote History | ||
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Probably right, though the AT laws could be tuned, and Judges should become less wedded to simply Old-Chicago stories.
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 Carl Shapiro |
Berkeley | Bio/Vote History | ||
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 Robert Shimer |
University of Chicago | Bio/Vote History | ||
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 James Stock |
Harvard | Bio/Vote History | ||
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 Richard Thaler |
Chicago Booth | Bio/Vote History | ||
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 Christopher Udry |
Northwestern | Bio/Vote History | ||
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Question B Participant Responses
| Participant | University | Vote | Confidence | Bio/Vote History |
|---|---|---|---|---|
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Daron Acemoglu |
MIT | Bio/Vote History | ||
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The US has lost the "regulatory muscle" for dealing with large firms in any sector. But worse, the gov. lacks expertise and is also ideologically captured by big tech (witness how lawmakers & administration turn to tech CEOs whenever there is a question of regulation).
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Joseph Altonji |
Yale | Bio/Vote History | ||
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Alan Auerbach |
Berkeley | Bio/Vote History | ||
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David Autor |
MIT | Bio/Vote History | ||
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Abhijit Banerjee |
MIT | Bio/Vote History | ||
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Marianne Bertrand |
Chicago | Bio/Vote History | ||
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Markus Brunnermeier |
Princeton | Bio/Vote History | ||
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developing a modern regulatory framework is more urgent
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Raj Chetty |
Harvard | Did Not Answer | Bio/Vote History | |
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Judith Chevalier |
Yale | Did Not Answer | Bio/Vote History | |
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David Cutler |
Harvard | Bio/Vote History | ||
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Angus Deaton |
Princeton | Bio/Vote History | ||
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Darrell Duffie |
Stanford | Bio/Vote History | ||
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Aaron Edlin |
Berkeley | Did Not Answer | Bio/Vote History | |
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Barry Eichengreen |
Berkeley | Bio/Vote History | ||
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Liran Einav |
Stanford | Bio/Vote History | ||
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Ray Fair |
Yale | Bio/Vote History | ||
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Amy Finkelstein |
MIT | Did Not Answer | Bio/Vote History | |
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Pinelopi Goldberg |
Yale | Bio/Vote History | ||
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Michael Greenstone |
University of Chicago | Bio/Vote History | ||
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Robert Hall |
Stanford | Did Not Answer | Bio/Vote History | |
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Oliver Hart |
Harvard | Bio/Vote History | ||
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Bengt Holmström |
MIT | Bio/Vote History | ||
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Investments in new understanding and methods is needed.
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Caroline Hoxby |
Stanford | Bio/Vote History | ||
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Hilary Hoynes |
Berkeley | Bio/Vote History | ||
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Kenneth Judd |
Stanford | Bio/Vote History | ||
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Limited resources and analytical ability of the regulators severely hampers any enforcement of anti-trust laws.
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Steven Kaplan |
Chicago Booth | Bio/Vote History | ||
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Anil Kashyap |
Chicago Booth | Bio/Vote History | ||
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Pete Klenow |
Stanford | Bio/Vote History | ||
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Jonathan Levin |
Stanford | Bio/Vote History | ||
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Eric Maskin |
Harvard | Bio/Vote History | ||
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William Nordhaus |
Yale | Bio/Vote History | ||
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Antitrust division has a good track record.
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Maurice Obstfeld |
Berkeley | Bio/Vote History | ||
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Emmanuel Saez |
Berkeley | Did Not Answer | Bio/Vote History | |
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Larry Samuelson |
Yale | Bio/Vote History | ||
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José Scheinkman |
Columbia University | Bio/Vote History | ||
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Richard Schmalensee |
MIT | Bio/Vote History | ||
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Budgets should be increased, but the agencies can still review mergers and bring big conduct cases effectively.
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Carl Shapiro |
Berkeley | Bio/Vote History | ||
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Robert Shimer |
University of Chicago | Bio/Vote History | ||
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James Stock |
Harvard | Bio/Vote History | ||
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Richard Thaler |
Chicago Booth | Bio/Vote History | ||
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Christopher Udry |
Northwestern | Bio/Vote History | ||
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Question C Participant Responses
| Participant | University | Vote | Confidence | Bio/Vote History |
|---|---|---|---|---|
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Daron Acemoglu |
MIT | Bio/Vote History | ||
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Current favorite US tools, antitrust and lawsuits, are ex post, weak and insufficient. The age of AI necessitates ex ante regulations that prevent dangerous rollout of technologies and guarantees on safety before mass launch, and tools for redirecting AI innovation and use.
-see background information here -see background information here |
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Joseph Altonji |
Yale | Bio/Vote History | ||
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Alan Auerbach |
Berkeley | Bio/Vote History | ||
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David Autor |
MIT | Bio/Vote History | ||
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Abhijit Banerjee |
MIT | Bio/Vote History | ||
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Marianne Bertrand |
Chicago | Bio/Vote History | ||
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Markus Brunnermeier |
Princeton | Bio/Vote History | ||
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Technology is still evolving and hence it is difficult to effectively regulate it only ex-ante.
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Raj Chetty |
Harvard | Did Not Answer | Bio/Vote History | |
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Judith Chevalier |
Yale | Did Not Answer | Bio/Vote History | |
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David Cutler |
Harvard | Bio/Vote History | ||
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Angus Deaton |
Princeton | Bio/Vote History | ||
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Darrell Duffie |
Stanford | Bio/Vote History | ||
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Aaron Edlin |
Berkeley | Did Not Answer | Bio/Vote History | |
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Barry Eichengreen |
Berkeley | Bio/Vote History | ||
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Liran Einav |
Stanford | Bio/Vote History | ||
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Ray Fair |
Yale | Bio/Vote History | ||
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Amy Finkelstein |
MIT | Did Not Answer | Bio/Vote History | |
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Pinelopi Goldberg |
Yale | Bio/Vote History | ||
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Michael Greenstone |
University of Chicago | Bio/Vote History | ||
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Robert Hall |
Stanford | Did Not Answer | Bio/Vote History | |
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Oliver Hart |
Harvard | Bio/Vote History | ||
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Bengt Holmström |
MIT | Bio/Vote History | ||
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The idea of a Digital Markets Act is appealing, but the scope and detail of the EU act comes too early. EU is behind in digital technology and likely to fall further behind with its aggressive pursuit of early regulation.
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Caroline Hoxby |
Stanford | Bio/Vote History | ||
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Hilary Hoynes |
Berkeley | Bio/Vote History | ||
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Kenneth Judd |
Stanford | Bio/Vote History | ||
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Steven Kaplan |
Chicago Booth | Bio/Vote History | ||
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Anil Kashyap |
Chicago Booth | Bio/Vote History | ||
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Pete Klenow |
Stanford | Bio/Vote History | ||
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Jonathan Levin |
Stanford | Bio/Vote History | ||
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Eric Maskin |
Harvard | Bio/Vote History | ||
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William Nordhaus |
Yale | Bio/Vote History | ||
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Maurice Obstfeld |
Berkeley | Bio/Vote History | ||
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Emmanuel Saez |
Berkeley | Did Not Answer | Bio/Vote History | |
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Larry Samuelson |
Yale | Bio/Vote History | ||
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Proactive, economic-policy-based market guidelines should be more effective than retrospective, legalistic remedies.
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José Scheinkman |
Columbia University | Bio/Vote History | ||
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Richard Schmalensee |
MIT | Bio/Vote History | ||
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"Effectively," perhaps, but most likely at a substantial efficiency cost.
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Carl Shapiro |
Berkeley | Bio/Vote History | ||
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Robert Shimer |
University of Chicago | Bio/Vote History | ||
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James Stock |
Harvard | Bio/Vote History | ||
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Richard Thaler |
Chicago Booth | Bio/Vote History | ||
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Christopher Udry |
Northwestern | Bio/Vote History | ||
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