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Activity Number: 663 - Topics in Large-Scale Online Experimentation
Type: Topic Contributed
Date/Time: Thursday, August 2, 2018 : 10:30 AM to 12:20 PM
Sponsor: Section on Statistical Consulting
Abstract #330840 Presentation
Title: Mitigating Test-Control Interference in Marketplace Experimentation
Author(s): Duncan Gilchrist*
Companies: Uber Technologies
Keywords: Experimentation; Marketplace; Economics; Causal Inference; AB Testing

Experimentation and statistical inference in marketplaces is often complicated by general equilibrium effects. Through the channels of equilibrating factors such price and availability, a treatment provided to one subgroup of market participants can affect the decisions and outcomes of other participants. This talk presents a framework for the marketplace interference problem and then discusses its magnitude and strategies for mitigating it, including more sophisticated randomization schemes, model-based adjustments, and market-level experimentation.

Authors who are presenting talks have a * after their name.

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