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arXiv · 2603.13823

Enhancing the Accuracy of Regional Input-Output Table Estimation: A Deep Learning Approach

Shogo Fukui
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Abstract

Non-survey methods have been developed and applied for estimating regional input-output tables. However, there is an ongoing debate about the assumptions necessary for these methods and their accuracy. To address these issues, this study presents a deep learning method for estimating regional input-output tables. First, the quantitative economic data for regions is augmented by linear combinations. Then, deep learning is performed on each item in the input-output table, treating these items as target variables. Finally, regional input-output tables are estimated through matrix balancing to the predicted values from the trained model. The estimation accuracy of this method is verified using the 2015 input-output table for Japan as a benchmark. Compared to matrix balancing under the ideal assumption of known row and column sums, our method generally demonstrates higher estimation accuracy. Thus, this method is anticipated to provide a foundation for deriving more precise estimates of regional input-output tables.

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Shogo Fukui. 2026-03-14. Enhancing the Accuracy of Regional Input-Output Table Estimation: A Deep Learning Approach. https://arxiv.org/abs/2603.13823

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