Improving Robust Decisions with Data

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Tác giả: Xiaoyu Cheng

Ngôn ngữ: eng

Ký hiệu phân loại: 153.83 Choice and decision

Thông tin xuất bản: 2023

Mô tả vật lý:

Bộ sưu tập: Metadata

ID: 198362

A decision-maker faces uncertainty governed by a data-generating process (DGP), which is only known to belong to a set of sequences of independent but possibly non-identical distributions. A robust decision maximizes the expected payoff against the worst possible DGP in this set. This paper characterizes when and how such robust decisions can be improved with data, measured by the expected payoff under the true DGP, no matter which possible DGP is the truth. It further develops novel and simple inference methods to achieve it, as common methods (e.g., maximum likelihood) may fail to deliver such an improvement.Comment: arXiv admin note: text overlap with arXiv:2205.04573
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