Issachui AcademyMATHEMATICS & ECONOMICS
IAL ECONOMICS STUDY GUIDE Unit 3 · Business Behaviour and the Labour Market

20 CHAPTERS · UNIT 3

Business Behaviour and the Labour Market

Study notes for understanding the course and revising its essential ideas. Each topic begins with core knowledge, develops the explanation and ends with evaluation guidance and a compact recap.

First learning: start with Must know and definitions. Follow each explanation from cause to consequence, then use the diagram and Develop the judgement to test the conditions behind the result.

Revision: use Rapid recap to reconstruct each argument. Return to Explain and apply if a link is unclear. Use the formula, diagram and comparison indexes for precise checks; learn the reasoning rather than a fixed paragraph.

Review the confirmed corrections →

CHAPTER 1

Types of Businesses

CHAPTER 2

Size of Businesses

CHAPTER 3

Business Objectives

CHAPTER 4

Revenue

CHAPTER 5

Costs

CHAPTER 6

Economies and Diseconomies of Scale

CHAPTER 7

Profits and Losses

CHAPTER 8

Efficiency

CHAPTER 9

Perfect Competition

CHAPTER 10

Monopolistic Competition

CHAPTER 11

Oligopoly

CHAPTER 12

Monopoly

CHAPTER 13

Monopsony

CHAPTER 14

Contestability

CHAPTER 15

The Demand for Labour

CHAPTER 16

The Supply of Labour

CHAPTER 17

The Determination of Wage Rates in Competitive and Non-Competitive Markets

CHAPTER 18

Market Failure in the Labour Market

CHAPTER 19

Government Intervention in Product Markets

CHAPTER 20

Government Intervention in Labour Markets

Revision and reference