Dietary fiber is the edible parts of plants or analogous carbohydrates that are resistant to digestion and absorption in the human small intestine, with complete or partial fermentation in the large intestine. Dietary fiber includes polysaccharides, oligosaccharides, lignin, and associated plant substances.
The theoretical rate of return attributed to an investment with zero risk. The risk-free rate represents the interest on an investor's money that he or she would expect from an absolutely risk-free investment over a specified period of time. Next Up.
Originally, the benchmark for the Sharpe Ratio was taken to be a riskless security. In such a case the differential return is equal to the excess return of the fund over a one-period riskless rate of interest. Many of the descriptions of the ratio in Sharpe [1966, 1975] focus on this case .