About
Experience & Education
Volunteer Experience
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Board Member
Newtowne School
- 1 year 9 months
Education
Member of board of Newtowne School.
Publications
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Efficiency in repeated trade with hidden valuations
Theoretical Economics
We analyze the extent to which efficient trade is possible in an ongoing relationship between impatient agents with hidden valuations (i.i.d. over time), restricting attention to equilibria that satisfy ex post incentive constraints in each period. With ex ante budget balance, efficient trade can be supported in each period if the discount factor is at least one half. In contrast, when the budget must balance ex post, efficiency is not attainable, and furthermore for a wide range of probability…
We analyze the extent to which efficient trade is possible in an ongoing relationship between impatient agents with hidden valuations (i.i.d. over time), restricting attention to equilibria that satisfy ex post incentive constraints in each period. With ex ante budget balance, efficient trade can be supported in each period if the discount factor is at least one half. In contrast, when the budget must balance ex post, efficiency is not attainable, and furthermore for a wide range of probability distributions over their valuations, the traders can do no better than employing a posted price mechanism in each period. Between these extremes, we consider a "bank" that allows the traders to accumulate budget imbalances over time, but only within a bounded range. We construct non-stationary equilibria that allow traders to receive payoffs that approach efficiency as their discount factor approaches one, while the bank earns exactly zero expected profits. For some probability distributions there exist equilibria that yield exactly efficient payoffs for the players and zero profits for the bank, but such equilibria require high discount factors.
Other authors
Patents
Honors & Awards
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Elected Member
National Academy of Science
Elected Member of the National Academy of Science. Typically 1-2 economists each year are elected. Election to the NAS is one of the highest honors available to an American scientist.
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100 Most Creative People in Business
Fast Company
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Honorary Degree
Duke University
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Elected Member
American Academy of Arts and Sciences
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Young Global Leader
World Economic Forum
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John Bates Clark Medal
American Economics Association
Given to the American Economist under the age of 40 who is judged to have made the most significant contribution to economic thought and knowledge.
http://en.wikipedia.org/wiki/John_Bates_Clark_Medal
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Fellow
Econometric Society
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Top 100 under 50 Diverse Executives
Diversity MBA
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