Earlier quoted context omitted.
On the other hand, essential costs like food and clothing have dropped substantially over time. In the 40s and 50s food and clothing accounted for approximately 50% of one's disposable income. Now it is closer to 30%. But your comment does raise an interesting question: If I were to hypothetically spend $100,000 for an optional status symbol like a Ferrari or higher education and can no longer afford to own a home du…
Spending on food, clothing, and housing does not factor into "disposable income".
[1] https://en.wikipedia.org/wiki/Disposable_and_discretionary_i...