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If, in a competitive market, marginal benefit is less than marginal cost,
Risk-Free Rate
The theoretical return on an investment with zero risk, often represented by the yield on government securities such as U.S. Treasury bills.
Expected Return
The weighted average of all possible returns for an investment, taking into account the probabilities of each outcome, and a key concept in portfolio management and capital budgeting.
Factor Sensitivities
Refers to the responsiveness of an asset's return to changes in underlying factors, often used in the context of multifactor models to evaluate investment risk.
Multifactor APT
A model that describes the returns of an asset as dependent on various macroeconomic or market factors, extending the Arbitrage Pricing Theory (APT).
Q17: In the economic sense,almost everything is scarce._
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Q220: If you expect the economy is going