Examlex
How does scaffolding increase a child's zone of proximal development?
Jensen's Measure
A performance evaluation measure that calculates the excess return a fund generates over its expected return, given its level of risk.
Risk-Free Return
The theoretical return on an investment with no risk of financial loss, often represented by the yield on government securities such as U.S. Treasury bonds.
Beta
A measure of a security's volatility in relation to the overall market; a beta greater than 1 indicates greater volatility than the market.
Bogey Portfolio
A benchmark portfolio against which the performance of an investment portfolio is measured, often used to assess the skill of portfolio managers.
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