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Qu'est-ce (qui) est optimal risk - définition
CLASS OF MATHEMATICAL PROBLEMS CONCERNED WITH CHOOSING AN OPTIMAL TIME TO TAKE A PARTICULAR ACTION
Optimal Stopping; Optimal Stopping problem
Systematic risk
VULNERABILITY TO SIGNIFICANT EVENTS WHICH AFFECT AGGREGATE OUTCOMES SUCH AS BROAD MARKET RETURNS, TOTAL ECONOMY-WIDE RESOURCE HOLDINGS, OR AGGREGATE INCOME
Aggregate risk; Unsystematic risk
In finance and economics, systematic risk (in economics often called aggregate risk or undiversifiable risk) is vulnerability to events which affect aggregate outcomes such as broad market returns, total economy-wide resource holdings, or aggregate income. In many contexts, events like earthquakes, epidemics and major weather catastrophes pose aggregate risks that affect not only the distribution but also the total amount of resources.
Risk equalization
LEGAL TERM
Risk equalisation; Risk profiles
Risk equalization is a way of equalizing the risk profiles of insurance members to avoid loading premiums on the insured to some predetermined extent.
Risk aversion
PREFERENCE AGAINST RISK, A COMMON HUMAN BEHAVIOR OF ATTEMPTING TO LOWER UNCERTAINTY AND AVOID RISK
Risk Aversion; Risk-aversion; Absolute risk aversion; Arrow-Pratt measure; Coefficient of absolute risk aversion; Coefficient of relative risk aversion; Decreasing absolute risk aversion; Increasing absolute risk aversion; Constant absolute risk aversion; Increasing relative risk aversion; Decreasing relative risk aversion; Constant Relative Risk Aversion; Risk averse; CARA utility; Risk tolerance; Risk tolerant; Risk-tolerant; Risk-averse; Log utility; Risk attitude; Co-efficient of absolute risk aversion; Risk Tolerance; Relative risk aversion; Risk aversion scale; Risk aversion (Economics); Risk aversion (economics)
In economics and finance, risk aversion is the tendency of people to prefer outcomes with low uncertainty to those outcomes with high uncertainty, even if the average outcome of the latter is equal to or higher in monetary value than the more certain outcome. Risk aversion explains the inclination to agree to a situation with a more predictable, but possibly lower payoff, rather than another situation with a highly unpredictable, but possibly higher payoff.
Wikipédia
Optimal stopping
In mathematics, the theory of optimal stopping or early stopping is concerned with the problem of choosing a time to take a particular action, in order to maximise an expected reward or minimise an expected cost. Optimal stopping problems can be found in areas of statistics, economics, and mathematical finance (related to the pricing of American options). A key example of an optimal stopping problem is the secretary problem. Optimal stopping problems can often be written in the form of a Bellman equation, and are therefore often solved using dynamic programming.
