Lecture 10
THE INCOME-EXPENDITURE DIAGRAM


1. Aggregate expenditure vs. GDP


2. Equilibrium condition in the goods market


3. Model #1 (The base model)

3.1 Assumptions

  1. Consumption (C)

  2. Investment (I)

  3. Government spending (G)

  4. Net exports (X-IM)

  5. Taxes (T)

3.2 Income-Expenditure diagram

3.3 Analytical solution

3.4 Equilibrium consumption

3.5 Equilibrium saving


3.6 Example

Consider the following model of an economy:

Fig. Income–Expenditure Diagram

4. Relationship between S and I

4.1 Special cases


5. Model #2

5.1 Assumptions

5.2 Income-expenditure diagram

5.3 Equilibrium


[ EC101 home ]