同CIE AL经济不同，Edexcel爱德思International Alevel（IAL）经济属于modular，也就是模块型课程。通俗点讲，就是整个2年课程分为4个单元来进行学习和考试。
其中，AS阶段学习第1单元和第2单元；A2阶段学习第3单元和第4单元。
AS单元：
Unit 1. Markets in action 市场运行
Unit 2. Macroeconomic performance and policy 宏观经济表现与政策
A2单元:
Unit 3. Business behaviour 商业行为
Unit 4. Developments in the global economy 全球经济发展
那么，这4个单元，分别都会学习到哪些知识点呢？我们一个一个来看。
（注：以下内容全部来自大纲）
U1: Markets in action
第1单元Markets in action 市场运行学习内容具体包括：
The nature of economics
Positive and normative economics
Scarcity
Production possibility frontiers
Specialisation and the role of money and financial markets
Free market, mixed and command economies
Rational decision making
The demand curve
Price, income and cross-elasticities of demand
Price, income and cross-elasticities of demand
The supply curve
Price elasticity of supply
Determination of market equilibrium
Consumer and producer surplus
Functions of the price mechanism
Indirect taxes and subsidies
Sources of market failure
Positive and negative externalities
Non-provision of public goods
Imperfect market information
Moral hazard
Speculation and market bubbles
Purpose and methods of government intervention
Government failure
U2: Macroeconomic performance
and policy
第2单元Macroeconomic performance and policy 宏观经济表现与政策，学习内容具体包括：
Economic growth
Inflation
Employment and unemployment
Balance pf payments
The characteristics of AD
Consumption (C)
Investment (I)
Government expenditure (G)
Net trade balance (X?M)
The characteristics of AS
Short-run AS (SRAS)
Long-run AS (LRAS)
National income
Injections and withdrawals
Equilibrium level of real output
The multiplier
Causes of growth
Benefits of growth
Costs of growth
Output gaps
Macroeconomic objectives
Possible conflicts between macroeconomic objectives
Macroeconomic supply-side policies
Macroeconomic demand-side policies
U3: Business behaviour
第3单元Business behaviour商业行为学习内容具体包括：
Types of business
Size of businesses
Business objectives
Revenue
Costs
Economies and diseconomies of scale
Profits and losses
Efficiency
Concentration ratio
Perfect competition
Monopolistic competition
Oligopoly
Monopoly
Monopsony
Contestability
The demand for labour
The supply of labour
The determination of wage rates in competitive and non-competitive markets
Market failure in the labour market
Government intervention in product markets
Government intervention in labour markets
U4: Developments in global
economy
第4单元Developments in the global economy 全球经济发展学习内容具体包括：
Characteristics of globalisation
Causes of globalisation
Effects of globalisation
Specialisation and comparative advantage
Patterns and volume of world trade
Terms of trade
Trade liberalisation and trading blocs
Restrictions on free trade
Balance of paymemts
Exchange rates
International competitiveness
Poverty
Inequality
Public expenditure
Taxation
Public sector borrowing and public sector debt
Macroeconomic policies
Measures of economic development
Constraints on growth and development
Measures to promote growth and development，更多详情咨询老师即可~
