The Arrow-Pratt measure of risk aversion quantifies an individual's or investor's attitude toward risk in terms of utility theory. It helps to determine how much risk a person is willing to take on, based on their utility function, and indicates the degree to which they prefer certain outcomes over uncertain ones. This measure is essential in understanding the consumption capital asset pricing model (CCAPM) as it links risk preferences to the pricing of assets based on expected utility and consumption patterns.
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