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This letter extends research reported in Narayan and Smyth (2005) by employing multiple trend break unit root tests to examine the random walk hypothesis for 15 European stock market indices. The results provide strong support for the view that stock prices are characterized by a random walk
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This paper applies Markov-switching multifractal (MSM) processes to model and forecast carbon dioxide (CO2) emission … price volatility, and compares their forecasting performance to the standard GARCH, fractionally integrated GARCH (FIGARCH … criteria and forecast horizons, while MS-GARCH mostly comes out as the least successful model. Applying various VaR backtesting …
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This paper aims at decomposing the forecast error variance of excess returns in five major European stock markets into …
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