Author Archives: James_Hamilton

Economic consequences of recent oil price changes

Earlier this year, disruptions in Libya and the resurgence of demand from the emerging economies sent oil prices up sharply, a development that many economists believe contributed to the slow growth for 2011:H1. The chaotic markets of the last few weeks saw oil prices drop back down to where they had been in December. Will that be enough to revive the struggling U.S. economy? There is some evidence suggesting that it may be too late.

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Losing your AAA

On Friday, Standard & Poor’s, one of the three main credit rating agencies, downgraded U.S. Treasury debt from AAA to AA+, citing doubts about the effectiveness, stability, and predictability of American policymaking and political institutions in being able to deal with the rising debt burden by the middle of the decade. It’s been a wild ride for equity and commodity markets ever since.

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Index funds and commodity prices

There has been a lot of growth over the last decade in funds that take long positions in commodity futures contracts in order to offer investors an asset that follows raw commodity prices. I’ve been looking into some of the data that have been used to measure the size of those positions.

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