The Revised Index of the Volume of Manufacture

Abstract

I N September I92I, the Harvard Economic Service first published its Unadjusted Monthly Index of the Volume of Manufacture. This unadjusted index was published currently until the following March when the adjusted monthly index was first presented. It was not until August I922, however (shortly after preliminary data from the I9I9 Census of Manufactures became available), that the index appeared as a combination of the three subordinate indexes registering fluctuations in the physical volume of output of (I) basic materials, (2) equipment and vehicles, and (3) consumption