由 M Efficiency 著作 — In an efficient market, the expected returns from any investment will be consistent with the risk of that investment over the long term, though there may be ...
Efficient Market Hypothesis (EMH) is a theory in financial economics that states that value of financial asset reflects all available information. This ...
The efficient market hypothesis (EMH) is a theory of investments in which investors have perfect information and act rationally in acting on that information.
由 BG Malkiel 著作 · 2003 · 被引用 4662 次 — Moreover, such return reversals for the market as a whole may be quite consistent with the efficient functioning of the market since they could result, in ...
由 M Beechey 著作 · 2000 · 被引用 292 次 — The efficient market hypothesis states that asset prices in financial markets should reflect all available information; as a consequence, ...