Long-term care insurance pricing depends heavily on how insurers expect to earn returns on the premiums they collect. Insurers project future benefit payments that may occur decades after policy issue and use assumptions about investment returns to convert those future liabilities into today's required premium and reserve levels. The higher the assumed return, the lower the premium needed up front, because investment income is expected to fund a larger share of future claims. That interdependence makes pricing sensitive to capital market conditions and to how realistic return assumptions are.
Mechanism: discounting, reserving, and asset-liability matching
Pricing models apply a discount rate to future expected claims; that rate reflects anticipated investment income. Reserves are set to cover unfunded promised benefits and rely on conservative assumptions about returns under regulatory standards. The Society of Actuaries has published research showing that investment-return assumptions are one of the central drivers in long-term care product design, affecting both initial pricing and how premium rates evolve. Insurers must also practice asset-liability matching, choosing investments whose cash flows and risk characteristics align with long-duration LTC liabilities to manage volatility and meet claims when due.
Relevance, causes, and consequences
Investment returns matter because long-term care contracts are long-dated and claims timing is uncertain. Low interest rates or poor asset performance reduce the margin between expected returns and what was assumed in pricing, forcing carriers to raise premiums, tighten benefits, or exit markets. The American Academy of Actuaries has warned that optimistic return assumptions have contributed historically to pricing stress and market instability, while the Congressional Budget Office and academic experts such as Olivia S. Mitchell at the Wharton School emphasize that affordability and market participation are shaped by these pricing outcomes. Regional differences in capital markets and regulation also matter: countries with deeper fixed-income markets or different reserving rules can sustain different product designs and price points.
Beyond finance, these dynamics influence families and communities: higher premiums reduce take-up, shifting more long-term care costs onto public programs and informal caregivers. Environmentally and territorially, aging populations in places with weaker private insurance markets may face greater reliance on family care or public supports. Understanding the role of investment returns clarifies why transparent, conservative assumptions and robust oversight are essential for a sustainable long-term care insurance market.