EconBase
← All papers

Auditing and Fixing Economic Validity in Tabular Foundation Models for Discrete Choice

Yingshuo Wang, Xian Sun, Yanhang Li, Zhichao Fan, Zexin Zhuang

arXiv 26 May 2026 · Machine Learning

arXiv:2605.26559 · PDF · DOI · OpenAlex · Extracted main text

Abstract

Tabular foundation models achieve strong accuracy on choice prediction tasks, but their predictions often violate the economic logic those tasks require: raising a price sometimes increases predicted demand, and implied willingness-to-pay estimates are frequently negative or implausible. We propose a two-stage adapter that embeds foundation model predictions within a utility-maximization framework. In the first stage, we estimate a standard choice model whose parameters are constrained to obey economic theory. In the second stage, we freeze those parameters and train a correction term that incorporates the foundation model's predictions as additional information. The result is a model that inherits the foundation model's accuracy gains while guaranteeing monotonic price-demand relationships under policy perturbation and producing analytically computable trade-off measures. On two transportation datasets, the adapter recovers up to 13 percentage points of accuracy over a standard logit model while maintaining perfect economic consistency, something neither the raw foundation models nor conventional distillation achieve.

Citation extraction

12
references
16
in-text mentions
12
distinct cited
0
self-citations
2,798
main-text words

appendix boundary found by none_found · 100% of the source is main text. Read the extracted text to check this.

Most heavily cited references

The works this paper leans on most, across its whole bibliography — not restricted to papers in our corpus. Ranked by composite intensity, which combines how often a work is mentioned, how many sections mention it, and how much of that falls in the main text rather than the appendix.

ReferenceIntensityMentionsSectionsMain text
1Han, Yafei and Calara Oereuran, Francisco and Ben-Akiva, Moshe and Z… (2022) A Neural-Embedded Discrete Choice Model: Learning Taste Representation with Strengthened Interpretability0.64422100%
2Hollmann, Noah and Müller, Samuel and Purucker, Lennart and others (2025) Accurate Predictions on Small Data with a Tabular Foundation Model0.64422100%
3Zhang, Xiyuan and Maddix, Danielle C and others (2025) Mitra: Mixed Synthetic Priors for Enhancing Tabular Foundation Models0.64422100%
4Bierlaire, Michel and Axhausen, Kay W and Abay, Georg (2001) The Acceptance of Modal Innovation: The Case of Swissmetro0.51121100%
5Ben-Akiva, Moshe E and Lerman, Steven R (1985) Discrete Choice Analysis: Theory and Application to Travel Demand0.40511100%
6Hillel, Tim and Elshafie, Mohammed Z E B and Jin, Ying (2018) Recreating Passenger Mode Choice-Sets Generated by CAPI Interviews0.40511100%
7Hillel, Tim and Bierlaire, Michel and Elshafie, Mohammed Z E B and J… (2021) A Systematic Review of Machine Learning Classification Methodologies for Modelling Passenger Mode Choice0.40511100%
8Hinton, Geoffrey and Vinyals, Oriol and Dean, Jeff (2015) Distilling the Knowledge in a Neural Network0.40511100%
9Hollmann, Noah and Müller, Samuel and Eggensperger, Katharina and Hu… (2023) TabPFN: A Transformer That Solves Small Tabular Classification Problems in a Second0.40511100%
10Train, Kenneth E (2009) Discrete Choice Methods with Simulation0.40511100%

Showing the top 10 of 12 scored citations.

Cited by, within the corpus

arXiv econ.EM papers that cite this one, ranked by how heavily they lean on it.

Citing paperIntensityMentionsSections
1Embedding Foundation Model Predictions in Discrete-Choice Models with Structural Guarantees0.40511