muunver.bsky.social
Professor of Economics, Boston College | Matching Markets, Market Design, Mechanism Design | running, hiking, board games, phil. of science | https://sites.bc.edu/utku-unver
https://liverpairedexchange.bc.edu/en
https://www.covid19reservesystem.org
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papers.ssrn.com/sol3/papers....
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Using French data, we demonstrate that our mechanism reduces the teacher experience gap across regions more effectively than benchmarks, including the current mechanism, while
providing higher average welfare for teachers.
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To evaluate the performance of our mechanism, we focus on teacher (re)assignment, where the unequal distribution of experienced teachers across schools is a well-documented concern.
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We justify our constructive and practical approach by micro-founding it through the theory of inequality measures in welfare economics.
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Centralized (re)assignment of workers to jobs is increasingly common in public and private sectors. However, these markets often suffer from distributional problems. We propose a new strategy-proof mechanism that efficiently improves individual and distributional
welfare over the status quo.
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Congratulations. This is great.
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Very very nice.
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Always the last entry on my CV, in the "Other publications" section.
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🙏 Ted
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Some other facts: 122 transplants were conducted in 2024 through BBS-LPE, 45% of all living transplants in the Liver Transplant Institute of Inonu.
The total liver exchange transplants worldwide before June 2022 (when our pilot program kicked off) was only north of 200 (within two decades).
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Game theory was invented for bots. JvN ahead of his time.
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This is just an existence proof and clearly useless without a characterization of style of pants.
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Many orders of magnitude larger that what is achieved in the world ever and more than I personally ever thought it would be practical. Amazing success. Not sure I can ever overemphasize this.
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The program is named after Banu Bedestenci Sonmez, who we lost in 2016 and was the late wife of Tayfun.
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The exchange program, now largest in the world, conducted 52 transplants, 38.5% of all living donor liver transplants (LDLT) conducted so far in 2024 in the institute. The Institute is the largest in Europe and the second largest in the world in terms of total LDLT per annum.
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The system recently reached 128 transplants and conducted the first 7-way exchange. I would like to thank the university president @ProfDrAKizilay and the University Senate for this honor.
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Wonderful coauthors:
Xiang Han: https://hanxiang.weebly.com/
Onur Kesten: https://www.sydney.edu.au/arts/about/our-people/academic-staff/onur-kesten.html
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A general class of IC mechanisms is proposed, embedding all in the literature for similar problems, such as priority mechanisms (efficient version of current mech.) and maximal mechanisms: exchange rates can be endogenous or exogenous if identified regularity properties hold. 5/5
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Many are familiar with an exchange problem like kidney or liver exchange. Here, patients have multi-unit blood demand and possibly many paired donors. The exchange rate between receiving one unit and your replacement donors donating is not necessarily one-to-one 2/5
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This paper probably launched my career as an economist. I was a third year assistant professor when I started working on it.
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... NEPKE started running on my laptop. Now 1/5 Living donor transplants come from kidney exchange in the US; similar paradigms are used all over the world. See Tayfun's book and our recent chapter for more details: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4796721
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... Later to launch New England Kidney Exch. Prog. NEPKE w Dr. Frank Delmonico (now UNOS program) we had to fit it to the realities in the field, and also proposed new paradigms, wrote 2 other econ papers and 2 medical papers in 3 years...
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Notable omissions that are covered in other chapters: school choice, large matching markets, dynamic matching, and matching with contracts.
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"Chapter 3: Applications" surveys kidney exchange, liver exchange, cadet-branch matching in US Army, affirmative action in India, the matching market for entry-level physicians in US, and course allocation at universities and other notable applications, some covered in Ch1...
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"Chapter 1: Theory" surveys the literature on matching theory under non-transferable utility using a classification based on property rights (i) with private ownership, (ii) with common and mixed ownership, and (iii) under priority-based entitlements...
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Such hard-working and dedicated staff and doctors at the Institute, starting with Prof. Dr. Sezai Yılmaz.