Inflation measurement is a hard problem. Some say it's over-estimated: https://johnhcochrane.blogspot.com/2019/08/inflation-and-history.html https://johnhcochra

Inflation measurement is a hard problem. Some say it's over-estimated: https://johnhcochrane.blogspot.com/2019/08/inflation-and-history.html https://johnhcochrane.blogspot.com/2019/08/inflation-and-his... (More on quality adjustments: https://www.brookings.edu/blog/up-front/2018/07/25/measuring-inflation-whats-changed-over-the-past-20-years-what-hasnt/ https://www.brookings.edu/blog/up-front/2018/07/25/measuring... )