Life-Cycle Earnings Curves and Safe Savings Rates
By Derek Tharp (Kansas State University) & Michael E. Kitces (The Kitces Report & Nerd's Eye View) Traditional analyses of recommended savings ratios and safe savings rates (SSRs) typically assume constant real earnings growth throughout the one’s career. However, data on the life-cycle earnings patterns of millions of U.S. workers suggests that earnings growth does not occur at a constant rate that matches inflation. Instead, earnings tend to increase at a decreasing rate during the early years of one’s career...