Interesting research from Xavier Jaravel reveals "a clear and systematic gap in inflation rates across income percentiles, reflecting the varying consumption patterns of households at different income levels". He's made the data publicly available - link from article. (h/t @chrismwhayes.bsky.social)
VoxEU @ CEPRXavier Jaravel finds that a substantial number of individuals in the #US considered above the #poverty line based on the official CPI actually fall below it due to different #inflation dynamics, and may be missing out on poverty alleviation programmes. cepr.org/voxeu/column... #EconSky