Likewise fragility is defined as a concave sensitivity to stressors, leading to a negative sensitivity to increase in volatility. The relation between fragility, convexity, and sensitivity to disorder is mathematical, obtained by theorem, not derived from empirical data mining or some historical narrative. It is a priori.
unearned interest. Amount deducted as advance interest from a loaned sum. This amount is recorded as a liability in the books of the lending institution, and is gradually decreased as it is recognized as earned income over the life of the loan. Also called unearned discount.
Interest [edit]. Interest is the fee charged by the creditor to the debtor. Interest is generally calculated as a percentage of the principal sum per year, which percentage is known as an interest rate, and is generally paid periodically at intervals, such as monthly or semi-annually.