As food costs rise, retailers keep prices stable by shrinking package sizes, quantities

Household brands ranging from Ivory soap to Kraft cheese singles have seen their packages downsized up to 20% over the last few years - even though shoppers are paying just as much, according to a new study by Consumer Reports.

http://www.nydailynews.com/money/2011/01/05/2011-01-05_as_food_costs_rise_retailers_keep_prices_stable_by_shrinking_package_sizes_quant.html