National Basic Food Prices Data and Analysis Tool
http://www.fao.org/giews/pricetool/

An “interactive database of staple food prices on national markets in 55 developing countries…. Shows the prices of different food commodities in local currencies or dollars…[and] allows for price comparisons between domestic and international markets, between different markets in the same country, as well as between countries.” This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.