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DTSTART:20070311T020000
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DTSTAMP:20261008T122126
DTSTART;TZID=America/Detroit:20261008T130000
DTEND;TZID=America/Detroit:20261008T143000
SUMMARY:Workshop / Seminar:Marx's Ecology Reading and Discussion
DESCRIPTION:We will discuss portions of John Bellamy Foster’s Marx’s Ecology to generate discussion among EHW and the more social sciences aspect of environmental studies. Read whatever you can and are interested in and join us for what is sure to be a generative conversation.
UID:150232-21908430@events.umich.edu
URL:https://events.umich.edu/event/150232
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Sessions
LOCATION:Angell Hall 3241
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20261001T003552
DTSTART;TZID=America/Detroit:20261008T130000
DTEND;TZID=America/Detroit:20261008T142000
SUMMARY:Workshop / Seminar:Numerical Analysis of Test Optimality
DESCRIPTION:In nonstandard testing environments\, researchers often derive ad hoc tests with correct (asymptotic) size\, but their optimality properties are typically unknown a pri- ori and difficult to assess. This paper develops a numerical framework for determining whether an ad hoc test is effectively optimal—approximately maximizing a weighted average power criterion for some weights over the alternative and attaining a power en- velope generated by a single weighted average power–maximizing test. Our approach uses nested optimization algorithms to approximate the weight function that makes an ad hoc test’s weighted average power as close as possible to that of a true weighted average power–maximizing test\, and we show the surprising result that the rejection probabilities corresponding to the latter form an approximate power envelope for the former. We provide convergence guarantees\, discuss practical implementation and ap- ply the method to the weak-instrument–robust conditional likelihood ratio test and a recently-proposed test for when a nuisance parameter may be on or near its boundary.
UID:151821-21912227@events.umich.edu
URL:https://events.umich.edu/event/151821
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Econometrics,Economics,seminar
LOCATION:North Quad - 4300
CONTACT:
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