Social Security and Medicare Policy From the Perspective of Generational Accounting
Level 5 - mechanism / opinion, no new human data
Level 5 by design analogy; economic theoretical simulation and modeling study without clinical or empirical observational data.
OpenAlex W1556162855 · doi:10.3386/w3915
What was done
The authors applied a generational accounting framework to simulate the impact of alternative expenditure paths for US Social Security and Medicare. The study evaluated how shifting away from optimistic baseline assumptions—namely, continuous Social Security trust fund accumulation and stable Medicare costs as a share of GDP—would alter the distribution of projected net tax burdens across living and future generations.
What was found
Under baseline assumptions, future generations were estimated to pay at least 21 percent more on a growth-adjusted basis than newly born cohorts to balance projected government spending. Under simulated alternative scenarios, continued expansion of Medicare during the decade was projected to potentially double this 21 percent generational imbalance if the financial burden was shifted primarily to future generations, also raising burdens on current young Americans.
Why it matters
This paper demonstrates how standard budget measures can understate the long-term fiscal imbalance created by entitlement growth, quantifying how delayed fiscal adjustment shifts liability directly onto younger and unborn cohorts.
Limits
The study is entirely model- and assumption-driven rather than an empirical evaluation of realized outcomes. Projections are sensitive to assumptions regarding healthcare inflation, economic growth rates, and policy responses, none of which have explicit confidence intervals or sample sizes reported in the abstract.
Cited by
- context US government spending on programs for people over the age of 65 accounts for 40% of total federal spending.