"How should a well-fed American react when some of the world's poorest citizens in Haiti and Bangladesh riot over the rising price of food?

To be sure, there are many factors influencing food prices. But to me it's natural to begin with the element that represents a deliberate policy choice on the part of the United States. I refer to America's decision to divert a significant part of our agricultural production for purposes of creating a fuel additive for motor vehicles. USDA Chief Economist Joseph Glauber predicts that 4.1 billion bushels, or 31% of the entire U.S. corn crop, will be devoted to ethanol production for the 2008/09 season."

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http://www.econbrowser.com/archives/2008/04/food_prices.html