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portfolio theory, but the real issue today relates to the practical implementation of the theory introduced by Harry Markowitz … FINANCE -- CAUSALITY -- SUMMARY -- Chapter 4: Common Pitfalls in Financial Modeling -- THEORY AND ENGINEERING -- ENGINEERING …
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The endo-exo problem lies at the heart of statistical identi fication in many fields of science, and is often plagued by spurious strong-and-long memory due to improper treatment of trends, shocks and shifts in the data. A class of models that has shown to be useful in discerning exogenous and...
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index'' n that quantifies the degree of endogeneity of how much past events trigger future events. We report the following …
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