Examlex
If each employee works in a single department, and each department has only one employee, the relationship between employees and departments is a one-to-many relationship.
Treynor-Black Model
A portfolio optimization model that blends active and passive investments to optimize risk-adjusted returns.
Alpha Coefficient
A measure of the performance on a risk-adjusted basis, identifying the excess return of an investment relative to the return of a benchmark index.
Nonsystematic Variance
The portion of an investment's total variance that is specific to the investment itself, not related to the overall market movements, and can be reduced by diversification.
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