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This article extends the economic theory of index numbers to the aggregation of price risk over commodities in …
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The preliminary evidence in the literature suggests that changes in uncertainty have a role in shaping the U.S. economic cycle. But what is effectively measured by the different available indicators of uncertainty still remains an "uncertain" issue. This paper has two aims: (i) to introduce a...
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will enable these uncertainties to be defined and measured. For this purpose, the first volatility index created was the … VIX Index as an indicator of uncertainty in the stock markets, which was followed by the OVX Index as an indicator of … uncertainty in the oil markets and the GVZ Index as an indicator of uncertainty in the gold markets. These volatility indices are …
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