Research

Working Papers:

1. Welfare Cost of Fairness and Accountability in Insurance Pricing (with Fei Huang)

2. Ensuring Strategic Best-Response Fairness in Machine Learning: Enhanced Color Blind Algorithm (with Warut Khern-am-nuai and Karthik Kannan) Revise and Resubmit at Information Systems Research

3. So You Think You are Safe: Implication of Quality Uncertainty in Security Software (with Warut Khernamnuai and Kirthik Kannan) Reject and Resubmit at Information Systems Research

4. Revisiting the CEO Effect Through a Machine Learning Lens (with Sung Joo Kim et al.) draft coming soon

5. Cost of Research and Education Activities in US Colleges - Complementarity, Scalability, and Heterogeneous Efficiency (with Xiaoxiao Li, Michael Price, and Chris Kempes) under review at Science Advances

6. UnivProd: A university production dataset (with Michael Price et al.) under review at Data in Brief

7. Major Complexity Index and College Skill Production (with Xiaoxiao Li and Sebastian Linde) Revise and Resubmit at Journal of Human Resources

8. The Past as a Stochastic Process (with David Wolpert et al.) under review at Cliodynamics

9. Cross-Validation Based Model Selection on Generalized Method of Moments (with Junpei Komiyama)

Publications:

1. The Use of AI in Legal Systems: Determining Independent Contractor vs. Employee Status (with Maxime Cohen et al.) accepted at Artificial Intelligence and Law, 2022.

2. An Observational Study of Health Care Provider Collaboration Networks and Heterogeneous Hospital Cost Efficiency and Quality Outcomes (with Sebastian Linde) accepted at Medicine, 2022.

3. WikiArtVectors: Style and Color Representations of Artworks for Cultural Analysis via Information Theoretic Measures (with Bhargav Srinivasa Desikan and Helena Miton) published at Entropy, 2022.

4. Scale and information-processing thresholds in Holocene social evolution (with Jaeweon Shin et al.) published at Nature Communications, 2020.

5. Nonconvex Optimization for Fair Regression (with Junpei Komiyama, et. al) published at Proceedings of the 35th International Conference on Machine Learning (ICML), 2018.

6. Reciprocity and Exclusion in Informal Financial Institutions: An Experimental Study of Rotating Savings and Credit Associations (with Takehiko Yamato, et. al) published at PloS One, 2018.

7. Strict or Graduated Punishment? Effect of Punishment Strictness on the Evolution of Cooperation in Continuous Public Goods Games (with Mayuko Nakamaru) published at PloS One, 2013.

Work in Progress:

1. Modeling Smart Contract Agents with Multi-Agent Reinforcement Learning and Influence Diagram (with David Wolpert et al.)

2. Causal Effect of CEO on Compensation and Firm Performance (with Masahiro Asami)

3. Dynamical System of Equal Opportunity (with Vicky Yang et al.)

4. Optimizing Efficiency of Physician Collaboration Network by Graph Reinforcement Learning (with Sebastian Linde)

5. Evolution of Organizational Structure with Information-constrained Agents (with David Wolpert et al.)

6. Neural Production Function Approach to Understand Scalability and Complementarity of Multi-objective Organizations (with Xiaoxiao Li et al.)

7. Nonparametric Stochastic Process Inference for Empirical Social Science (with David Wolpert and Jin Hong Kuan)

8. Private Sector Influence on Federal Reserve Monetary Policy (with Michael Curran and Craig McMahon)

Contact: Phone: +1 (765) 409-6391 Email: hajime.fr@gmail.com