abstract:Costus is a genus of perennial tropical herbaceous plants from the costus family (Costaceae). They are often characterized and distinguished from relatives such as Zingiber (true ginger) by their spiraling stems.
Dollar-cost averaging forces us to do what doesn't come naturally, or as Mr. Malkiel puts it, "exactly what our emotions tell us not to do" buy more shares when prices are low and fewer when prices are high.
Who among those of us who are lucky enough to be insured against illness would not like to be able to understand, in advance, what it is likely to cost us out-of-pocket should we find ourselves engulfed in a battle with cancer or some other unpleasant medical experience?