由 DR Fischel 著作 · 被引用 449 次 — Two major implications of efficient capital market theory are that (1) security prices ad- just rapidly and in an unbiased manner to any new information, and (2) ...
由 SL Jones 著作 · 被引用 36 次 — The efficient markets theory (EMT) of financial economics states that the price of an asset reflects all relevant information that is available about the ...
由 SF LeRoy 著作 · 1989 · 被引用 1104 次 — A capital market is efficient if (1) it does not neglect any information ... presentation of efficient capital market theory in the introduction was intended.
由 EF Fama 著作 · 1970 · 被引用 39078 次 — A market in which prices always fully reflect available informa- tion is called efficient. This paper reviews the theoretical and empirical literature on ...
In brief, the new work says that returns are predictable from past returns, dividend yields, and various term-structure variables. The new tests thus reject the ...
The efficient markets hypothesis (EMH) argues that markets are efficient, leaving no room to make excess profits by investing since everything is already fairly ...
An efficient market is characterized by a perfect, complete, costless, and instant transmission of information. Asset prices in an efficient market fully ...
Market efficiency refers to the degree to which market prices reflect all available, relevant information. If markets are efficient, then all information is ...