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0455

Costs & Revenue of a Firm

Microeconomic Decision Makers · 4 question types

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0455 Topics

Costs & Revenue of a Firm10%
  1. What This Topic Covers
  2. Fixed Costs and Variable Costs
  3. Total Cost, Average Cost and the Cost Formulas
  4. Total Revenue and Average Revenue
  5. Profit, Loss and Break-Even
  6. Economies and Diseconomies of Scale
  7. Why Firms Grow or Stay Small
  8. Objectives of Firms
  9. Capital-intensive vs Labour-Intensive Production
Labour Market: Wages & Trade Unions8%

Frequency legend

High (≥14%)
Above avg (10 to 13%)
Average (<10%)

Exam Frequency Analysis

Past paper frequency (2018 to 2024)

This topic accounts for approximately 10% of your exam marks.

stable
Medium
Stable10%

Fixed vs variable costs, profit calculations, and average cost appear regularly across both Section A and Section B questions.

Every firm faces the same basic question: do its revenues from selling its product exceed the costs of making it? If yes, the firm makes a profit and can survive and grow; if no, the firm makes a loss and will eventually leave the market.

This topic looks at:

  • the costs a firm pays to produce its output (fixed and variable),
  • the revenue it earns from selling that output,
  • the profit (or loss) that results,
  • how average cost changes as the firm grows (economies and diseconomies of scale),
  • and why some firms grow large while others stay small.

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Fixed Costs and Variable Costs