Figure 1. A graph of the US CPI from 1913 to 2013 (in blue) and its annual change (percentage) (in red). Source: U.S. Department of Labor, 2013

From

Does Consumer Price Index Affect Food Security in Sub-Saharan Africa?

Coulibaly Abdoulaye, Wang LanHui, Mukete Beckline

Journal of Food Security. 2015, 3(1), 25-28 doi:10.12691/jfs-3-1-4