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Individual Risks Perception : Risk Perception

Decent Essays

2. Literature Review

2.1. Individual risk perception
Risk perception is the person’s subjective uncertainty about what she could lose or gain from a transaction (Cox & Rich, 1964). In a similar vein, Ricciardi (2008) defines perceived risk as “[…] the subjective decision making process that individuals employ concerning the assessment of risk and the degree of uncertainty”. Risk perception is related to the amount, possibility, and exposure to loss (MacCrimmon & Wehrung, 1988), to confidence in individually assessed probabilistic estimates about the degree of situational uncertainty (Sitkin & Weingart, 1995), and to lack of information (Weber, 2004). “The practice of perception is a technique by which people categorize and understand their sensory intuitions in order to provide an assessment of their surroundings with the recognition of actions” (Ricciardi, 2008).

According to Ricciardi (2008), the most relevant cognitive and emotional factors that influence individual risk perception, and in turn judgment and decision making process, are: heuristic, overconfidence, the concepts of loss aversion and framing – which are the tenets of prospect theory – anchoring, familiarity bias, perceived control, expert knowledge, affect feelings and worry.

In the following sections () I review two different descriptive models of decision making under risk: Expected Utility Theory and Prospect Theory. In section (), I compare them and select the one that suits individual risk

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