Not Chicago-specific per se, just released by the Chicago Fed - seems like a rather large piece of the inflation puzzle:
Record job-switching rates are pushing U.S. inflation higher, Chicago Fed study finds
By Jonnelle Marte
Feb 14 (Reuters) - "The unprecedented level of job switching seen last year as the U.S. labor market rebounded from the pandemic gave workers more leverage to ask for better pay and played a role in pushing inflation to its highest level in decades, a new study suggests.
An increase in the share of people who searched for jobs while they were employed helped boost inflation by about 1 percentage point throughout much of last year, according to a paper released on Monday by the Chicago Federal Reserve. That suggests job-switching at times accounted for roughly 20% of the price growth seen in 2021..."
https://www.reuters.com/business/rec...dy-2022-02-14/