Author Archives: James_Hamilton

Janet Yellen on risks and prospects for the U.S. economy

This morning we were pleased to welcome Janet Yellen, President of the Federal Reserve Bank of San Francisco, to our UCSD Economics Roundtable. She focused on three main challenges: the housing slump, financial market turmoil, and commodity prices, which she likened to the three witches from Macbeth. Her complete speech is available from the FRB SFO Here are some excerpts.

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How big a contribution could oil speculation be making?

A key reason why oil prices have been going up is that Asia and the oil producing countries are consuming more while global oil production has stagnated. That means Europe and America had to consume less, and a very high price proved necessary to accomplish that.

I do believe that speculation has been another factor that contributed to recent high oil prices. However, a key element of the bubble story is that there needs to be a very limited response of quantity demanded to the price increases, which the most recent data persuade me is no longer the case. Some of the estimates I’ve been hearing of the size of the contribution speculation is currently making to the price are therefore difficult to defend. Here I explain why, essentially elaborating on Paul Krugman’s theme.

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