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We overview different methods of modeling volatility of stock prices and exchange rates, focusing on their ability to reproduce the empirical properties in the corresponding time series. The properties of price fluctuations vary across the time scales of observation. The adequacy of different...
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the market trades during the interval Δ and we call it the second-order economic theory. To develop that theory, we …
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time interval Δ. We call it - the second-order economic theory. First two price statistical moments define volatility. To …
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