• Print
  • Email

Chicago Fed Letter, No. 24, August 1989
New! Improved! The MMI Gets a Different Look
Three distinct changes were made to the Midwest Manufacturing Index (MMI) index last month: 1) the base year was moved from 1973 to 1983; 2) the methodology was improved; and 3) a U.S. version of the MMI replaced the Federal Reserve Board's Index of Industrial Production as the national comparative index.
Having trouble accessing something on this page? Please send us an email and we will get back to you as quickly as we can.

Federal Reserve Bank of Chicago, 230 South LaSalle Street, Chicago, Illinois 60604-1413, USA. Tel. (312) 322-5322

Copyright © 2020. All rights reserved.

Please review our Privacy Policy | Legal Notices