Sustainable Withdrawal Rates from Retirement Portfolios: The Historical Evidence on Buffer Zone Strategies
This paper evaluates the performance of portfolios that dynamically adjust one’s mix of risky and risk-free assets during retirement based on the performance of risky assets. We analyze these “buffer zone” portfolio decumulation strategies over various time periods from 1926 to 2009. We find that they are generally inferior to a simpler static asset allocation at minimizing longevity risk.
Nanigian, David and Woerheide, Walt, "Sustainable Withdrawal Rates from Retirement Portfolios: The Historical Evidence on Buffer Zone Strategies" (2011). Faculty Publications. 107.