Ben Mark

Investment Based Income Strategies Towards Retirement Ben Mark

This book focuses on sustainable spending from investments, which is an important piece of any retirement plan. People want to know if they have saved enough to be able to fund their lifestyle in retirement. In this book, I explain the findings of a large body of financial planning research regarding sustainable spending from investment portfolios in the face of a variety of retirement risks. That body of research tends to begin with the 4 percent rule of thumb for retirement spending. I explain how and why it was developed, what it means, and when it may or may not be appropriate for retirees. William Bengen's 1994 study gave us the concept of the SAFEMAX, which is the highest sustainable spending rate from the worst-case scenario observed in the US historical data. The Trinity study added portfolio success rates from the historical data for different spending strategies. Both studies suggest that for a thirty-year retirement period, a 4 percent inflation-adjusted withdrawal rate using a 50-75 percent stock allocation should be reasonably safe.