Prices for corn, wheat and rice more than doubled between 2006 and 2008. While prices declined in late 2008, food prices have since rebounded, attaining new record highs in February 2011 (figure III.3). Despite conflicting evidence, it would appear that recent price rises have also been accompanied by higher volatility, which increases uncertainty, thereby hindering investment in human and physical capital, technology and innovation (Food and Agriculture Organization of the United Nations, 2009a) (figure III.4).