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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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Is there a presidential rhetoric of hard times? We are interested in presidents' rhetorical reactions during economic … presidents do choose to direct major remarks on the economy, we search for common characteristics in their rhetoric to examine if … this subset of speeches classifies as a genre of rhetoric. We examine three dimensions in the speeches: orientation toward …
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