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This paper examines continuous-time models for the S&P 100 index and its constituents. We find that the jump process of the typical stock looks significantly different than that of the index. Most importantly, the average size of a jumps in the returns of the typical stock is positive, while it...
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This paper estimates the volatility of most important European stock market indices during the global financial crisis … started in 2008, such as DAX, CAC40, FTSE100, among others. The estimation of volatility is made from a new family of … stochastic volatility models proposed by Santos, Franco, Gamerman [33, 17] and extended to distributions of heavy tails by Pinho …
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