Examlex
Explain what an economist means by the phrase "decisions made at the margin." Cite an example to support your answer.
Market Rate
The current interest rate available in the marketplace for securities or loans.
Risk-free Rate
A theoretical return on an investment with zero risk, typically represented by government bonds.
Portfolio Beta
A measurement of the volatility of a portfolio compared to the market as a whole.
Risk-free Asset
An investment with a guaranteed return and no risk of loss, often represented by government bonds.
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