rhochrematics
/ˌrəʊkrəˈmatɪks/(also rhocrematics)
noun
(The study of) the flow of materials from raw state to final consumer, including the processes of manufacture, marketing, and distribution.
Origin
1960s. From ancient Greek ῥοή or ῥόος stream, flow + χρηματ-, χρῆμα thing, (in plural) goods + -ic.