Food Prices and Oil Prices

Posted by: on February 10th, 2011

Not surfing-related, but interesting (to your webmaster, anyway).

Found this page by a guy named Paul Chefurka last night while browsing… worrisome… sadly.

Just for grins, I recently took the ten most recent years of world Food Price Index data from the UN Food and Agriculture Organization (FAO) and the monthly average oil price from the US Energy Information Agency (EIA), and plotted them together. I’d never seen this done before, and I was interested to know if there was any correlation. Here’s the graph:

The thing that stunned me was the closeness of the correlation. For you math geeks, the correlation coefficient of the two data sets is 0.93!

The next thing that’s fascinating is that changes in the Food Price Index appear to lead changes in the price of oil by a few months. Since food prices don’t drive oil prices as far as I know, this implies that they are both responding to the same underlying situation, but that food prices are a more sensitive indicator.

The last thing that I noticed is the behaviour of food and oil prices in the last six months. The sharp rise in food prices is being noticed in the media now, but the graph hints that the story is just beginning.

Paul Chefurka
November 17, 2010
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