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9708 · 8.3

Labour market forces and government intervention

**Labour markets** (8.3) extend **factor markets**. Compare **competitive vs monopsony** diagrams and always show **employment and wage** effects of intervention.

Need to know

What you need to know

  • The industry wage is set by the intersection of market demand (MRP) and market supply.
  • Individual firms are wage takers and face a perfectly elastic supply of labour (S = AC = MC).
  • Firms maximise profit by hiring labour until MRP = MCL.
  • In a perfectly competitive market, the MCL is simply the market wage rate (W).

Explanation

Labour market forces and government intervention

  1. The industry wage is set by the intersection of market demand (MRP) and market supply.
  2. Individual firms are wage takers and face a perfectly elastic supply of labour (S = AC = MC).
  3. Firms maximise profit by hiring labour until MRP = MCL.
  4. In a perfectly competitive market, the MCL is simply the market wage rate (W).