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Weak Form Efficiency
(redirected from Weak Efficiency)

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Weak Form Efficiency
A version of the efficient markets theory on how markets work. It holds that the market efficiently deals with most information on a given security and reflects it in the price immediately. Specifically, weak form efficiency states that technical analysis is ineffective and that prices are on a random walk. Investors and academics disagree on how well the model works, but it is less controversial than the semi-strong form of the EMT and the strong form of the EMT.


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Mititelu [3], Mititelu and Stancu-Minasian [9], Mukherjee and Purnachandra [13], established weak efficiency conditions and developed different types of dualities for multiobjective variational problems under various types of generalized convex functions.
But the confusion and weak efficiency of the security agencies in the post-Syrian withdrawal phase, she said, is mainly due to the "total paralysis" that hit the political institutions, notably the parliament and government, as well as the clash between opposing political trends that left its marks on the security system as a whole.
The relevant test of weak efficiency is whether the revision series, each of maximum possible length eight, exhibit autocorrelation of order greater than one.
 
 
 
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