When Shiga toxin is released from an E. coli O157:H7 bacterium, it can translocate to organs other than the digestive tract such as the kidneys and central nervous system (brain and spinal cord). This can cause hemolytic uremic syndrome (HUS) and/or thrombotic thrombocytopenic purpura (TTP) .
A strategy called dollar-cost averaging can help reduce risks surrounding an asset falling in price. The concept is straightforward - you invest a fixed amount of money in an asset once every fixed time period.
positive reversible investment. Instead of a single investment decision, as in McDonald and Siegel, there is an inânite sequence of investment decisions, where each satisâes the threshold condition. 2 An illustrative model Most irreversible investment models work in continuous time, so that optimal investment timing can be calculated exactly.