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HomeCXC CSEC EconomicsTheory of the Firm
CXC · CSEC · Economics

Theory of the Firm
Practice Questions

20 CXC CSEC Economics questions on Theory of the Firm, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Theory of the Firm.

Try 2 sample questions on Theory of the Firm

Question 1 · 1 mark · Difficulty 1/3

A small bakery in Port of Spain produces bread and pastries. The owner pays $5,000 monthly for rent regardless of how many loaves are baked. This $5,000 represents which type of cost?

  1. Variable cost
  2. Fixed cost
  3. Marginal cost
  4. Average cost
Show answer & explanation
✓ Answer: BFixed cost
Award 1 mark for identifying that rent remains constant regardless of output level. A is incorrect — variable costs change with output (e.g., flour). C is incorrect — marginal cost is the cost of producing one additional unit. D is incorrect — average cost is total cost divided by quantity produced.
Question 2 · 1 mark · Difficulty 1/3

A bauxite mining company in Jamaica is the sole supplier of bauxite ore to local processing plants. Which market structure BEST describes this firm's position?

  1. Perfect competition
  2. Monopolistic competition
  3. Oligopoly
  4. Monopoly
Show answer & explanation
✓ Answer: DMonopoly
Award 1 mark for identifying that a sole supplier with no close substitutes operates as a monopoly. A is incorrect — perfect competition requires many sellers. B is incorrect — monopolistic competition has many firms selling differentiated products. C is incorrect — oligopoly requires a few dominant firms.
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20 questions · 25 min · free

CXC CSEC Economics: Theory of the Firm FAQ

How many CXC CSEC Economics questions on Theory of the Firm are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Theory of the Firm for CXC CSEC Economics, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CXC paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CXC CSEC students preparing for Economics?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Theory of the Firm practice with other Economics topics or even switch to a totally different CXC subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Theory of the Firm questions aligned to the official CXC CSEC Economics syllabus?
Every question is written against the published CXC CSEC Economics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC.
How is Theory of the Firm typically tested on CXC CSEC Economics papers?
Theory of the Firm appears across multiple question types on real CXC CSEC Economics papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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