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We introduce the Speculative Influence Network (SIN) to decipher the causal relationships between sectors (and/or firms) during financial bubbles. The SIN is constructed in two steps. First, we develop a Hidden Markov Model (HMM) of regime-switching between a normal market phase represented by a...
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يهدف البحث إلى تجلية مفهوم المضاربة في الأسواق المالية، وأصنافها، وتقويم منافعها ومضارها. وفي إشارة إلى واقع سوق الأسهم السعودية، أوضح البحث عدم وجود قصور ملحوظ...
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