Many retirees like the idea of a “50/50” portfolio that’s half bonds and half stocks. There’s even research that shows withdrawal rates of 3% and 4% may be safer with this mix than they’d be with 100% stocks.
That’s all well and good but doesn’t concern me much. I’m a “No Withdrawal” guy. I spent many late nights in college working up Monte Carlo simulations, where we’d run scenarios 50,000 times to figure out the optimal placement of, say, ambulances in a city to minimize the average response time to an emergency. This type of fancy modeling can work well when you’re able to use the law of large numbers to map the likelihood of every possible situation.… Read more