
Money is money—right? Logically, a ₹1,000 note should hold the same value whether it comes from a salary, a lottery win, or a gift. However, in reality, we treat money differently depending on its source, purpose, or category in our minds. This phenomenon is known as mental accounting, a concept introduced by economist Richard Thaler.
What Is Mental Accounting?
Mental accounting refers to the tendency of people to divide money into separate categories based on subjective criteria, such as its source (salary, bonus, inheritance) or intended use (groceries, entertainment, savings). These mental categories influence spending, saving, and investment decisions—often irrationally.
Examples of Mental Accounting
- Windfall Gains vs. Hard-Earned Money: People often treat unexpected income, such as lottery winnings or work bonuses, as “extra” money and spend it more freely compared to their regular salary.
- Budgeting and Expense Categorization: A person might refuse to take ₹1,000 from their “vacation fund” to pay an urgent bill, even though the money is available.
- Credit Card vs. Cash Spending: Studies show that people tend to spend more when using credit cards than when using cash because they mentally separate “credit” from “real money.”
- Sunk Cost Fallacy: Someone who has spent ₹500 on a movie ticket will sit through the entire film, even if they dislike it, just because they already “invested” the money.
- Investments and Loss Aversion: Investors may hold on to a losing stock for too long because they mentally separate “paper losses” from actual money lost.
Why Does Mental Accounting Happen?
Mental accounting occurs because the human brain prefers simplicity and structure in financial decision-making. Categorizing money makes it easier to manage, even if the logic behind it is flawed. Additionally, emotions play a role, as people feel different levels of attachment or responsibility depending on where the money comes from or where it is allocated.
How to Overcome Mental Accounting Bias
- Treat all money equally: A rupee earned from work, a gift, or an investment gain should have the same value and be used wisely.
- Avoid irrational budgeting: Instead of rigidly categorizing money, focus on overall financial health and priorities.
- Be mindful of credit spending: Recognize that credit card spending is real money and track expenses accordingly.
- Focus on opportunity cost: Every rupee spent or invested has an alternative use—consider all possibilities before making decisions.
Final Thoughts
Mental accounting is a useful tool for budgeting, but it can also lead to irrational financial behavior. Being aware of this bias helps in making smarter money decisions, ensuring that financial choices are based on logic rather than emotion.