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The structure of financial returns

Finance Research Letters, 2019
Abstract Financial returns at unit time are modeled as non-Gaussian limit laws. They may reflect random walks or additive processes reflecting some predictability. Mixtures of these two constructions are formulated and estimated on one minute data. It is observed that the random walk fraction is generally below 10%. The results argue against a strict
Dilip B. Madan, King Wang
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The Structure of Financial Networks

2010
We present here an overview of the use of networks in Finance and Economics. We show how this approach enables us to address important questions as, for example, the structure of control chains in financial systems, the systemic risk associated with them and the evolution of trade between nations.
Battiston S.   +4 more
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