Publications
Publications
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- All HBS Web
(876)
- Faculty Publications (349)
- 2024
- Working Paper
When Insurers Exit: Climate Losses, Fragile Insurers, and Mortgage Markets
By: Ishita Sen, Pari Sastry and Ana-Maria Tenekedjieva
This paper studies how homeowners insurance markets respond to growing climate losses and how this impacts mortgage market dynamics. Using Florida as a case study, we show that traditional insurers are exiting high risk areas, and new lower quality insurers are... View Details
- January 2024
- Case
Net Zero Insurance Alliance: An Alliance in Crisis
By: Peter Tufano and Karina Val
The Net Zero Insurance Alliance (NZIA), a UN-convened alliance of major global insurers, was formed in 2021, but by 2023 had lost over 60% of its members. While NZIA had enjoyed a rapid and productive start by setting standards for the industry and sharing best... View Details
- January 2024
- Article
Cost of Exempting Sole Orphan Drugs from Medicare Negotiation
By: Matthew Vogel, Olivia Zhao, William B. Feldman, Amitabh Chandra, Aaron S. Kesselheim and Benjamin N. Rome
Importance: The Inflation Reduction Act (IRA) requires Medicare to negotiate prices for some high-spending drugs but exempts drugs approved solely for the treatment of a single rare disease.
Objective: To estimate Medicare spending and global... View Details
Objective: To estimate Medicare spending and global... View Details
- December 12, 2023
- Article
Prices for Common Services at Quaternary vs Nonquaternary Hospitals
By: Brandon W. Yan, Maximilian J. Pany and Leemore S. Dafny
Using commercial health insurance claims data from 2017-2019, we assessed whether quaternary hospitals charged higher prices for common, unspecialized services also offered by nonquaternary hospitals. We found quaternary-hospital price premiums of 8.2 percent, on... View Details
- November 2023 (Revised June 2025)
- Case
Aviva plc: Examining Net Zero
By: Peter Tufano, Brian Trelstad and Matteo Gasparini
The board of Aviva Plc, one of the world’s largest insurers, must review its climate risk exposures and evaluate next steps. Risk experts at the firm have conducted a robust set of analyses prepared for its regulator, the Bank of England, simulating how various climate... View Details
- September 2023 (Revised October 2024)
- Case
Forecasting Climate Risks: Aviva’s Climate Calculus
By: Mark Egan and Peter Tufano
In late 2021, Ben Carr, Director of Analytics and Capital Modeling at Aviva Plc (Aviva)—a leading insurer with core operations in the UK, Ireland and Canada,—was preparing for an upcoming presentation before the company's board which included its CEO, Amanda Blanc,... View Details
- September 2023
- Case
Healthy.io: The Negotiation for the Medical Selfie
By: Amit Goldenberg and Kumba Sennaar
Healthy.io, an Israeli digital health company, prepares to enter the U.S. market with its chronic kidney disease test. A product safety approval is delayed, putting the company’s cash runway at risk. How should the CEO negotiate his offer to insurance companies ahead... View Details
- Summer 2023
- Article
Do Policies to Increase Access to Treatment for Opioid Use Disorder Work?
By: Eric Barrette, Leemore S. Dafny and Karen Shen
Even among commercially insured individuals, opioid use disorder is undertreated in the United States: nearly half receive no treatment within six months of a new diagnosis. Using a difference-in-differences specification exploiting the extension of insurance parity... View Details
- 2023
- Working Paper
The Market for Sharing Interest Rate Risk: Quantities and Asset Prices
By: Ishita Sen, Umang Khetan, Jane Li and Ioana Neamtu
We study the extent of interest rate risk sharing across the financial system using granular positions and transactions data in interest rate swaps. We show that pension and insurance (PF&I) sector emerges as a natural counterparty to banks and corporations: overall,... View Details
- June 2023
- Article
Regulatory Limits to Risk Management
By: Ishita Sen
Variable annuities, the largest liability of U.S. life insurers, are investment products containing long-dated minimum return guarantees. I show that guarantees with similar economic risks are treated differently by regulation and these differences impact insurers’... View Details
- March 2023
- Supplement
Allianz Türkiye (B): Adapting to a Changing World
By: John D. Macomber and Fares Khrais
- March 2023
- Supplement
Allianz Türkiye (C): Managing the 2017 Hail Storm
By: John D. Macomber and Fares Khrais
Allianz Turkey is a property casualty insurance company operating in a region experiencing increasing losses from natural catastrophe events related to climate change, for example hail, wildfire, and flooding. There are also substantial other natural catastrophe... View Details
- March 2023 (Revised April 2024)
- Case
Allianz Türkiye: Adapting to Climate Change
By: John D. Macomber and Fares Khrais
Allianz Turkey is a property casualty insurance company operating in a region experiencing increasing losses from natural catastrophe events related to climate change, for example hail, wildfire, and flooding. There are also substantial other natural catastrophe... View Details
- February 2023 (Revised May 2023)
- Case
Accelerating the Accelerator: Raja Al Mazrouei at DIFC Fintech Hive
By: Linda A. Hill, Emily Tedards and Lydia Begag
In January 2023, Raja Al Mazrouei became the Managing Director and Acting CEO of Etihad Credit Insurance (ECI) in Dubai, UAE. In her previous role as the Executive Vice President of the DIFC Fintech Hive, she successfully built and led an accelerator program for... View Details
Keywords: Organizational Change and Adaptation; Organizational Culture; Organizational Design; Organizational Structure; Management; Strategy; Technology Adoption; Information Infrastructure; Financial Management; Financial Strategy; Technological Innovation; Digital Marketing; Digital Strategy; Digital Transformation; Global Strategy; Globalized Markets and Industries; Banks and Banking; Corporate Finance; Leadership; Leadership Development; Leadership Style; Financial Services Industry; Technology Industry; Banking Industry; Middle East; Singapore; London; United Arab Emirates; Dubai
- February 2023
- Article
A Different Framework to Achieve Universal Coverage in the U.S.
By: Katherine Baicker, Amitabh Chandra and Mark Shepard
This JAMA Forum discusses alternative ways to achieve universal coverage in the US such as administrative simplification in the Affordable Care Act plans to increase enrollment, having a basic policy that would be available to everyone, and options for supplemental... View Details
- February 2023
- Article
Increasing the Demand for Workers with a Criminal Record
By: Zoë Cullen, Will Dobbie and Mitchell Hoffman
State and local policies increasingly restrict employers’ access to criminal records, but without
addressing the underlying reasons that employers may conduct criminal background checks.
Employers may thus still want to ask about a job applicant’s criminal record... View Details
- January 2023
- Case
Thomas Buberl: Refounding AXA
By: Hubert Joly, Mihir Desai and Amram Migdal
In 2022, AXA and its CEO Thomas Buberl faced new types of challenges, including systemic risks such as climate change, geopolitical instability, public health crises, and social tensions caused by economic risks. AXA was one of the world’s largest insurers. Since... View Details
Keywords: Change; Change Management; Transformation; Transition; Trends; Environmental Management; Climate Change; Ethics; Values and Beliefs; Finance; Insurance; Management; Management Succession; Risk Management; Organizations; Corporate Social Responsibility and Impact; Mission and Purpose; Organizational Change and Adaptation; Planning; Strategic Planning; Risk and Uncertainty; Society; Human Needs; Social Issues; Strategy; Adaptation; Business Strategy; Corporate Strategy; Insurance Industry; Europe; France; Paris
- 2023
- Working Paper
Achieving Universal Health Insurance Coverage in the United States: Addressing Market Failures or Providing a Social Floor?
By: Katherine Baicker, Amitabh Chandra and Mark Shepard
The United States spends substantially more on health care than most developed countries, yet leaves a greater share of the population uninsured. We suggest that incremental insurance expansions focused on addressing market failures will propagate inefficiencies and... View Details