Research

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Research Interests:

Insurance Economics, Household Finance, Public Policy Analysis, Causal Inference

Peer-Reviewed Publications:

Collier, B. L., Ellis, C. M., & Keys, B. J. (2025). The cost of consumer collateral: Evidence from bunching. Econometrica, 93(3), 779-819. DOI: https://doi.org/10.3982/ECTA22303

Ellis, Cameron M., Moenig, Thorsten, and Volkman-Wise, Jacqueline (2025). Registered Index-Linked Annuities in Qualified Retirement Plans. Journal of Risk and Insurance. Forthcoming. DOI: https://onlinelibrary.wiley.com/doi/10.1111/jori.12505 

• TIAA Institute & Boettner/Pension Research Council (PRC) Partnership grant for Financial Wellness and Behavioral Finance ($45,000)

Collier, Benjamin L. and Ellis, Cameron M. (2024). A Demand Curve for Disaster Recovery Loans. Econometrica. 92 (3) pp. 713-748. DOI: 10.3982/ECTA20417.

Du, Sabrina and Ellis, Cameron M. (2024) Multidimensional Barriers to Entry in the Insurance Industry. Asia-Pacific Journal of Risk and Insurance, 18(1), 21-53. DOI: https://doi.org/10.1515/apjri-2023-0026

Ellis, Cameron M., Grace, Martin F., Smith, Rhet A., and Zhang, Juan. (2022) Medical Cannabis and Automobile Accidents: Evidence from Auto Insurance.  Health Economics, 31( 9), 1878– 1897. DOI:  https://doi.org/10.1002/hec.4553 

Ellis, Cameron M. and Meghan I. Esson. (2021) Crowd-Out and Emergency Department Utilization.  Journal of Health Economics, 80: 102542. DOI: https://doi.org/10.1016/j.jhealeco.2021.102542 

Carson, James M., Ellis, Cameron M., Hoyt, Rob E. , and Ostaszewski, Krzysztof. (2020), Sunk Costs and Screening: Two‐Part Tariffs in Life Insurance.  Journal Risk and Insurance, 87: 689-718. DOI: https://onlinelibrary.wiley.com/doi/10.1111/jori.12283

Working Papers:

``Moral Hazard Induced Unraveling: Theory and Evidence from the ACA Exchanges." (with Meghan Esson and Eli Liebman)

• R&R at The Journal of Risk and Insurance

``Moral Hazard on the ACA Exchanges: Evidence from a Cost-Sharing Subsidy Discontinuity ." (with Meghan Esson and Eli Liebman)

• R&R at The Journal of Risk and Insurance

``Private Equity in Public-Provider Markets: Operational Efficiency vs. Cream-Skimming.'' (with Meghan Esson)

``Constructed Regressors and Fixed Effects" (with Alex Chudik and Johannes Jaspersen)

``No Smoking Gun: Medical Cannabis and Gun Crime." (with J. Bradley Karl and Rhet Smith)

``The Solvency II Framework: Causal Effects on Risk and Liquidity.'' (with Takefumi Ueno and Stefan Veith)

``The Impact of Risk Management Mandates: Evidence from Variable Annuities.'' (with Andrew Ellul, Chotibhak Jotikasthira, and Jianren Xu)

Early Stage Work:

``Insurance Bundling and Market Power."  (with Sabrina Du, Johannes Jaspersen, and Eli Liebman)

``Selection through Lapsation in Life Insurance Markets." (with Johannes Jaspersen)

• NAIC Research Fellows Program Award ($5,000)

``Bequest Motives and the Annuity Puzzle: Evidence from Estate Taxes." (with Siegfried Anyomi)