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Ramesh Johari

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titleconferencedate
Learning Preferences with Latent StateAgency in Collaborative Learning 20262026-04-13
Claims that preferences are recoverable when the human uses an unknown finite-state machine, gives a concrete estimator and proofs of consistency. Method fits…
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Quality Selection in Two-Sided Markets: A Price Discrimination ApproachInformation Design and Data Science 20192019-10-01
Reduction shows platform quality selection maps to a price-discrimination reduction: two stylized two-sided models (sellers choose quantity under platform-set…
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Bandit Learning with Positive ExternalitiesSocietal Networks 20182018-03-26
Model with arrivals more likely to prefer arms that have earned rewards; positive externality f(x)=x^α (typically linear). Shows UCB can suffer linear expected…
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Always Valid Inference: Continuous Monitoring of A/B TestsOptimization and Decision-Making Under Uncertainty (Simons Institute, September 2016)2016-09-19
Optimizely implements always-valid p-values computed from a MSPRT (mixture SPRT) so type I error remains bounded under arbitrary user stopping rules (fixes the…
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Dynamic Pricing in Ride-Sharing PlatformsAlgorithmic Game Theory and Practice 20152015-11-16
Model couples strategic passengers and drivers, a platform price multiplier p(A) that depends on number of available drivers, and exponential service times so…
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