@unpublished{Levell2012,
author = {Peter Levell and Thomas Skingle},
title = {Comparing household inflation experiences measured by the CPI and RPI },
year = {2012},
month = {Nov},
doi = {10.1920/wp.ifs.2012.1221},
url = {http://www.ifs.org.uk/wps/wp1221.pdf},
}