Budget Constraint II

The slope of the budget constraint represents the rate at which a consumer can trade one product for another. For example, a student spends his weekly allowance of $100 on purchasing books and snacks. A book costs $20 and a snack costs $5. Earlier, the student bought three books and eight snacks. Now, he buys four books and four snacks. In doing...

The budget constraint formula links income to expenditure.

For example, John is a student whose weekly allowance of $200 represents his income. He spends his entire income on food and clothing. His total expenditure is calculated by multiplying the quantity of food purchased by its per unit price and adding it to the product of the quanti...