The run-up in oil prices since 2004 coincided with growing investment in commodity markets and increased price comovement among different commodities. We assess whether speculation in the oil market played a role in driving this salient empirical pattern. We identify oil shocks from a large...

The run-up in oil prices after 2004 coincided with a growing flow of investment to commodity markets and an increased price comovement between different commodities. We analyze whether speculation in the oil market played a key role in driving this salient empirical pattern. We identify oil...

This paper examines whether speculation in the global oil market contributes to herd behavior in the stock markets of net exporting nations. Using firm level data from the Gulf Arab stock markets, we show that investors display herd behavior during periods of high volatility while anti-herding...