PT - JOURNAL ARTICLE AU - Gary Smith AU - Heidi Margaret Artigue TI - Another Look at Dollar Cost Averaging AID - 10.3905/joi.2018.27.2.066 DP - 2018 May 31 TA - The Journal of Investing PG - 66--75 VI - 27 IP - 2 4099 - https://pm-research.com/content/27/2/66.short 4100 - https://pm-research.com/content/27/2/66.full AB - Dollar cost averaging—spreading an investor’s stock purchases evenly over time—is widely touted in the popular press because of the mathematical fact that the average cost per share is less than the average price. The academic press has generally been skeptical and attributes dollar cost averaging’s popularity to investor naiveté and cognitive errors. Yet, dollar cost averaging continues to be recommended by knowledgeable investors as a sensible way to avoid ill-timed purchases. The authors argue that dollar cost averaging is, in fact, an imperfect but helpful strategy for diversifying investment decisions across time.TOPICS: Security analysis and valuation, equity portfolio management