Question

Difficulty: EasyComparison of Market Structures: Economic Efficiency and Consumer Welfare

Match each market efficiency concept on the left with its defining market condition or outcome on the right.

  • Allocative EfficiencyAchieved when price equals marginal cost (P=MCP = MC)
  • Productive EfficiencyAchieved when output is produced at the minimum point of average total cost (P=min ATCP = \text{min } ATC)
  • Excess CapacityOperates to the left of the minimum average cost output level in long-run equilibrium
  • Monopoly Deadweight LossLoss of consumer and producer surplus caused by restricting output below the competitive level

Answer

Allocative Efficiency matches with 'Achieved when price equals marginal cost (P=MCP = MC)'; Productive Efficiency matches with 'Achieved when output is produced at the minimum point of average total cost (P=min ATCP = \text{min } ATC)'; Excess Capacity matches with 'Operates to the left of the minimum average cost output level in long-run equilibrium'; Monopoly Deadweight Loss matches with 'Loss of consumer and producer surplus caused by restricting output below the competitive level'.
Each concept correctly maps to its defined economic criterion: Allocative efficiency is defined by P=MCP = MC, productive efficiency by P=min ATCP = \text{min } ATC, excess capacity by producing below minimum ATCATC capacity, and deadweight loss by the loss of welfare due to monopoly restriction.

Step-by-Step Solution

1
Identify the criteria for economic efficiency.
Allocative efficiency requires P=MCP = MC so consumer valuation matches cost of production. Productive efficiency requires producing at minimum average total cost (P=min ATCP = \text{min } ATC).
These are standard efficiency benchmarks in market structure comparison.
2
Identify non-competitive market outcomes.
Monopolistic competition results in excess capacity as firms produce below minimum ATCATC. Monopoly causes deadweight loss due to output restriction.
Imperfect markets create inefficiencies relative to perfect competition.

Key Concept

Economic Efficiency and Welfare Criteria across Market Structures
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