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The three-sector model

The three-sector model

Supply chain linking primary, secondary and tertiary sectors with farming, bakery production and retail examples Business sectors group businesses by what they mainly do. In this topic, that means primary, secondary and tertiary sectors of economic activity.

Business sectors Lesson

  1. A Level
  2. /Business
  3. /Business sectors

Step-by-step lessons on OCR A Level Business Business sectors. Each one builds up to exam-style questions. Build up your knowledge of the core business functions first, then focus revision time on the strategy and evaluation-heavy topics, since these carry the most marks.

Lessons