depends what you mean by "Fed uses" as blanket term TIPS use CPI like a lot of other things in bond math: https://www.treasurydirect.gov/indiv/products/prod_ti

depends what you mean by "Fed uses" as blanket term TIPS use CPI like a lot of other things in bond math: https://www.treasurydirect.gov/indiv/products/prod_tips_glance.htm https://www.treasurydirect.gov/indiv/products/prod_tips_glan...