Valsts valodas centra izstrādātie sociālo jautājumu, socioloģijas un statistikas termini

Konteksts: [..] Principal activity The principal activity of a statistical unit is the activity which contributes most to the total value added of that unit. The principal activity is identified according to the top down method and does not necessarily account for 50% or more of the unit's total value added. [..]
Avots: Eurostat - OECD Manual on Business Demography Statistics