Braun, Joachim von; Tadesse, Getaw - 2012
, volatility, and spikes. While price trends are important in the long term, volatility and spikes are more important in the short … correlations among themselves. A rising medium-term price trend has triggered extreme short-term price spikes and increased … volatility. An assessment of the costs of price volatility has shown that the existing literature follows a conventional marginal …