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DTSTART:20070311T020000
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DTSTAMP:20250325T123849
DTSTART;TZID=America/Detroit:20250416T143000
DTEND;TZID=America/Detroit:20250416T155000
SUMMARY:Workshop / Seminar:EXPERIMENTALLY VALIDATING WELFARE EVALUATION OF SCHOOL VOUCHERS
DESCRIPTION:We leverage a unique two-stage experiment that randomized access to private school vouchers across markets as well as students to estimate the revealed preference value of school choice. To do this\, we estimate several choice models on data only from control markets before turning to the treatment data for model validation. This exercise reveals that a model where school choice is constrained by ability-to-pay achieves better out-of-sample fit but still underpredicts experimental take-up of the voucher offer. We then present evidence from treatment markets that: a) the voucher offer also induced search\; and b) private schools used program surplus to incentivize enrollment. Further\, we show that a unified model incorporating these features can explain both the control and treatment data patterns. Estimates from that model imply that a targeted voucher program would have a marginal value of public funds(MVPF) of at least 3.
UID:134332-21874195@events.umich.edu
URL:https://events.umich.edu/event/134332
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Economics,Labor,seminar
LOCATION:Lorch Hall - 201
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250413T191549
DTSTART;TZID=America/Detroit:20250416T143000
DTEND;TZID=America/Detroit:20250416T153000
SUMMARY:Workshop / Seminar:Learning Seminar in Algebraic Combinatorics: Projective system of posets from set partitions
DESCRIPTION:It is known when we call a poset P\, a P-chain permutational poset\, given a subset of permutations\nP of the symmetric group S_n. In this work\, we use the same idea to study subsets of words of length n\,\nthat are not necessarily permutations\, for example: especially when they are certain classes of restricted\ngrowth functions induced by set partitions in standard form over [n] = {1\, 2 · · · n}. Varying n only\, and\nalso varying n and k (the number of blocks of the set partitions) simultaneously\, we can show that those\nposets form a projective system of trees and lattices. These poset structures can be extended over signed\nrestricted growth functions for standard type B set partitions over 〈n〉 = {−1\, −2\, · · · n\, 0\, 1\, 2 · · · n} as\nwell. We investigate properties of the tree and lattice structures of these projective systems.
UID:134956-21875729@events.umich.edu
URL:https://events.umich.edu/event/134956
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Mathematics
LOCATION:East Hall - 4088
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250311T161451
DTSTART;TZID=America/Detroit:20250416T150000
DTEND;TZID=America/Detroit:20250416T180000
SUMMARY:Conference / Symposium:ASC Winter 2025 UMAPS Research Colloquium Series. Cultural Dynamics and Social Transformation: Exploring Identity\, Expression\, and Resilience in Africa (Group 3)
DESCRIPTION:This series features the Winter 2025 U-M African Presidential Scholars (UMAPS) fellows and their scholarly work. The talks prepared and presented by each visiting scholar are designed to promote dialogue on topics and to share their research with the larger U-M community.\n   \n   Speakers and Topics\n   \n   1. Bukola Ochei - Nigeria\n   \"The Religious\, Cultural\, Social\, Criminal And Human Rights Dimensions Of Cross-Dressing In Nigeria\"\n   \n   2. Arlette Bessomo - Cameroon\n   “The Aesthetics of African Ritual Theater: Theoretical Construction”\n   \n   3. Victor Gwande - South Africa\n   ”Under the crisis\, a new country is emerging: the rise of the ‘small man’ and new livelihoods in Zimbabwe since the 2000s”\n   \n   4. Clint Abrahams - South Africa\n   “Reauthoring: Building People that Can Shape their City”
UID:133721-21873481@events.umich.edu
URL:https://events.umich.edu/event/133721
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Africa,Umaps Colloquium Series,Discussion,African Studies
LOCATION:Weiser Hall - 1010
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250409T113333
DTSTART;TZID=America/Detroit:20250416T150000
DTEND;TZID=America/Detroit:20250416T160000
SUMMARY:Workshop / Seminar:CANCELLED - Department Colloquium | The Effect of Modest Pressures on the Synthesis of Chalcogenides and Halides
DESCRIPTION:Although temperature and composition are common synthetic variables in solid state chemistry\, pressure is not. This may be in part due to the expense of the apparatus needed and in part because we work in a target-rich environment with many viewpoints and a large periodic table. I purchased a Walker type synthetic system about 30 years ago that\, in recent years especially\, has been worth the trouble it takes to use it. The pressure is relatively low in such systems compared to what one gets in a diamond cell\, but the sample volumes are much larger. The system was purchased from a small company called Rockland Research\, run by Peter McNutt\, who\, if I understand correctly\, was one of the former group members of David Walker himself. Our Depths of the Earth system\, although nominally easier to use\, is in fact not easier to prepare samples for\, and might be the only thing in my lab that I ever discarded out of frustration.\n\nSeveral postdoctoral fellows and graduate students have succeeded in finding new materials in our system or modifying it\, but the major successes in recent years has been due to the patience and synthetic skill of my former postdoctoral fellow now lab manager Danrui Ni. Many new materials\, including oxides chalcogenides and halides have been found in our system\, and it is my intention to describe enough of our work in the latter two categories of materials to give interested audience members ideas about what works at applied pressures up to 6 GPa and what doesn’t.
UID:134586-21874564@events.umich.edu
URL:https://events.umich.edu/event/134586
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Science,Physics
LOCATION:West Hall - 340
CONTACT:
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DTSTAMP:20250416T153949
DTSTART;TZID=America/Detroit:20250416T150000
DTEND;TZID=America/Detroit:20250416T160000
SUMMARY:Social / Informal Gathering:IOE Coffee Chats
DESCRIPTION:Join the Institute for Operations Research and the Management Sciences (INFORMS) and the Human Factors and Ergonomics Society (HFES) student orgs for coffee and conversation every Wednesday from 3-4 p.m. in the IOE Community Suite.
UID:133245-21872643@events.umich.edu
URL:https://events.umich.edu/event/133245
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Graduate,Ergonomics,Food,Free,Graduate and Professional Students,Graduate Students,Hfes,Human Factors And Ergonomics Society,Industrial And Operations Engineering,Michigan Engineering,North campus
LOCATION:Industrial and Operations Engineering Building - Community Suite
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250116T115602
DTSTART;TZID=America/Detroit:20250416T150000
DTEND;TZID=America/Detroit:20250416T160000
SUMMARY:Recreational / Games:Schokoladenstunde
DESCRIPTION:Convenes on Wednesdays\, 3-4 p.m. in 3110 MLB. There will be some German chocolate to snack on. Silvia Grzeskowiak (sgrzesko@umich.edu) will bring games\, and the hour will be spent chatting and playing games in German (e.g. Tabu.)
UID:131292-21868134@events.umich.edu
URL:https://events.umich.edu/event/131292
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Germanic Languages And Literatures,Games,German Studies,German
LOCATION:Modern Languages Building - 3110
CONTACT:
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