About this episode
In this episode of Enrich Your Future, Andrew and Larry Swedroe discuss Larry’s new book, Enrich Your Future: The Keys to Successful Investing. In this series, they discuss Chapter 26: Dollar Cost Averaging.LEARNING: Invest all your money whenever you have it. “If you want to put the odds in your favor, which is the best we can do because we don’t have clear crystal balls, you should put all your money in whenever you have it to invest.”Larry Swedroe In this episode of Enrich Your Future, Andrew and Larry Swedroe discuss Larry’s new book, Enrich Your Future: The Keys to Successful Investing. The book is a collection of stories that Larry has developed over 30 years as the head of financial and economic research at Buckingham Wealth Partners to help investors. You can learn more about Larry’s Worst Investment Ever story on Ep645: Beware of Idiosyncratic Risks.Larry deeply understands the world of academic research and investing, especially risk. Today, Andrew and Larry discuss Chapter 26: Dollar Cost Averaging.Chapter 26: Dollar Cost AveragingIn this chapter, Larry discusses why lump sum investing is better than dollar cost averaging.Should you invest your money all at once or spread it over time?According to Larry, the issue of Dollar Cost Averaging (DCA) typically arises when an investor receives a large lump sum of money and wonders if they should invest it all at once or spread it over time. The same problem arises when an investor panics and sells when confronted with a bear market, but then there are two questions: How does the investor decide when it is safe to reenter the market? And does she reinvest all at once or by DCA?Constantinides, a University of Chicago professor in the 1960s, studied this question. He demonstrated that DCA is an inferior strategy to lump sum investing. He termed it logically dumb as it makes no sense based on an expected return outcome. From a purely financial perspective, the logical answer is that if you have money to invest, you should always invest it whenever it’s available.Another paper by John Knight and Lewis Mandell compared DCA to a buy-and-hold strategy. Then,