Examlex
To calculate beta requires making a "what if" assumption about the true population parameter, where the "what-if" value is one that would cause the null hypothesis to be false.
Larger Number
A numerical quantity that is greater in value when compared to another number.
Longer Time Period
A timeframe that extends beyond the short term, often implying a broader scope for assessment or investment.
Portfolio Beta
A measure of a portfolio's volatility relative to the market as a whole; it indicates the sensitivity of the portfolio's returns to market returns.
Unsystematic Risks
Risks that affect a specific company or industry, as opposed to the market as a whole, including management decisions or product recalls.
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