3 articles on investing behavior
Lump sum vs dollar-cost averaging: which the math favors
Lump sum vs DCA: lump wins 56.3% of 1,000 paths and 62.9% of 97 independent 12-month tape windows. Pre-tax, not advice.
Why your portfolio's average return overstates what you'll get
Average return overstates compound: 5.01% arithmetic vs 3.27% geometric on 1,000 no-spend lives. $4.33M vs $2.62M median.
Timing the Market vs Staying Invested: 40 Years of S&P 500 Evidence
Miss 10 best months: $744K becomes $264K on the same S&P 500 path since 1985. Why staying invested beats timing the market.
Other topics
- Retirement withdrawals — Safe withdrawal rates, the 4% rule, and flexible vs rigid spending policies.
- Monte Carlo & projections — Why single-number projections mislead, and how probability-based planning works.
- Investing costs — Fee drag, expense ratios, and the lifetime dollar cost of 1%.
- Strategy comparison — Apples-to-apples benchmarks of allocation and spending rules on identical markets.