Tag: Portfolio Theory
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Complete Market
In complete markets, every possible outcome has a corresponding financial instrument, facilitating total risk mitigation. This environment is free of arbitrage and optimally processes market information. Nonetheless, achieving perfect market completeness is often elusive in practice.
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Fat Tail Events
Fat Tail Events denote uncommon, large deviations from averages, often linked with significant financial shifts. These are characterized by a greater likelihood of extreme occurrences than typical predictions suggest. Their profound impact, as witnessed in events like the 2008 financial crisis, underscores the importance of understanding and managing such phenomena.