Rationally Inattentive Utility Maximization for Interpretable Deep Image Classification

Kunal Pattanayak and Vikram Krishnamurthy

Papers from arXiv.org

Abstract: Are deep convolutional neural networks (CNNs) for image classification explainable by utility maximization with information acquisition costs? We demonstrate that deep CNNs behave equivalently (in terms of necessary and sufficient conditions) to rationally inattentive utility maximizers, a generative model used extensively in economics for human decision making. Our claim is based by extensive experiments on 200 deep CNNs from 5 popular architectures. The parameters of our interpretable model are computed efficiently via convex feasibility algorithms. As an application, we show that our economics-based interpretable model can predict the classification performance of deep CNNs trained with arbitrary parameters with accuracy exceeding 94% . This eliminates the need to re-train the deep CNNs for image classification. The theoretical foundation of our approach lies in Bayesian revealed preference studied in micro-economics. All our results are on GitHub and completely reproducible.

Date: 2021-02, Revised 2021-07
New Economics Papers: this item is included in nep-big, nep-cmp, nep-cwa and nep-upt
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Citations: View citations in EconPapers (2)

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