I am a postdoctoral researcher at the Economic and Social Research Institute, Cabinet Office, Government of Japan. I received my Ph.D. in economics from Yale University in 2024. My primary research interests are in health economics and industrial organization.


Email: hiroki.saruya@aya.yale.edu

You can find my CV here.

Please see below for the list of my research projects and here for more details.

Working Papers

Congestion-Quality Tradeoff: Evidence from Japanese Long-Term Care Facilities 

(JMP, with Masaki Takahashi)



Complementing Public Care with Private: Evidence from Veterans Choice Act

(with Todd Wagner and Diana Zhu)

Revise and Resubmit at Journal of Health Economics



Cross-Channel Competition and Complementarities in US Retail

(with Michael Sullivan)



Norms and Emotions

(with Masayuki Yagasaki)

Work in Progress

Provider Incentives for Capacity Utilization

(with Masaki Takahashi, Coming Soon)



Distinguishing Heterogeneous Time Preferences and State Dependence in Health Checkup Decisions