Logarithmic Utility Function
quantlib-economics
Logarithmic Utility Function
Evaluate logarithmic utility function: U(w) = ln(w). This is a special case of CRRA with gamma = 1. Returns utility value, marginal utility (1/w), absolute risk aversion (1/w), and relative risk aversion (constant = 1). Log utility exhibits decreasing absolute risk aversion and constant relative risk aversion. Commonly used in portfolio theory and growth-optimal strategies. [Tier: STANDARD, Credits: 2]
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Logarithmic Utility Function
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Current wealth level (must be positive)
Required range:
x > 0Example:
10000
