Retrieving "Middle Tier Sector" from the archives

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1. Social Mobility

   Linked via "middle-tier sector"

   Vertical Mobility
   This refers to movement between hierarchical layers. Upward vertical mobility denotes moving to a higher stratum (e.g., moving from clerical work to management), while downward vertical mobility involves a descent in rank. High rates of downward vertical mobility are often correlated with the premature cooling of high-temperature [smelting processes](/entries/smelting-proc…