Book cover of Dollars and Sense by Jeff Kreisler

Jeff Kreisler

Dollars and Sense

Reading time icon13 min readRating icon3.8 (5,416 ratings)

Why do we keep making irrational decisions about money, even when we know better?

1. The Power of Opportunity Costs

People often fail to think about what else they could spend their money on when making purchases. Instead of weighing alternatives, decisions are frequently made impulsively. This concept is identified in economics as opportunity costs.

Most buyers overlook what they’re giving up to afford one thing. For example, customers at a Toyota dealership were unable to identify sacrifices beyond “buying another car,” even though they were giving up potential vacations or dining experiences. Avoiding this consideration limits financial awareness and proper decision-making.

External signs, like advertisements boasting “special deals,” further distract us from opportunity costs. Car dealerships rely heavily on persuasive language to push customers into thinking they’re missing out on unique opportunities, skewing the perception of value.

Examples

  • Forgetting alternative plans (e.g., vacations over purchases).
  • Car dealership tactics promoting urgency.
  • Misleading “special deal” advertisements.

2. Misleading Value Cues

Value cues, or external signals that indicate worth, play a significant role in our perception of value. Unfortunately, many of these cues can mislead customers into irrational spending decisions.

When JCPenney simplified its pricing model in 2012, removing artificial price markdowns, customer confusion soared. Without coupons and flashy “sales,” shoppers no longer felt they were getting bargains, even though prices were lowered to fair levels.

This highlights our reliance on comparisons and mental shortcuts to assess worth. We often need cues—like price drops or promotions—even when they might distort the actual financial benefit.

Examples

  • JCPenney’s failed pricing overhaul.
  • Comparing exaggerated sale prices with false discounts.
  • Decisions based on the appearance of “bargains.”

3. Mental Accounting and Rational Shortcuts

Our minds categorize money into mental accounts, organizing finances by purpose. This system can be handy for quick decisions but often leads to irrational choices.

For instance, when faced with losing a ticket you’ve paid for versus losing the same amount of cash, most people treat the two situations differently. While rationally equal, emotions often dictate people’s preferences in these scenarios.

Mental shortcuts also speed up daily choices, such as quickly deciding between coffee shop purchases instead of calculating worth every time. This can simplify life but might also prevent us from better judgment.

Examples

  • Treating a lost concert ticket differently from lost cash.
  • Using specific “mental buckets” for food, entertainment, or savings.
  • Assumptions around impulse purchases.

4. Emotional Accounting: Not Just Mental Decisions

People also attach personal feelings to money, influencing how they choose to spend or save it. Emotional attachments can color how we view or utilize finances.

For example, people who receive money from a disliked relative often spend it quickly to rid themselves of negative associations. While satisfying emotional needs, this behavior is not always financially sound.

Understanding these patterns can guide people to pause before making quick emotional decisions, like spending a bonus or inheritance frivolously.

Examples

  • Spending disliked relative’s cash impulsively.
  • Emotional ties influencing charitable donations.
  • Associating guilt with spending and overcompensating.

5. Why Words Matter in Value

Language plays an important role in increasing perceived worth. Simple shifts in phrasing dramatically impact how we think about costs or justify our purchases.

For instance, the idea of living on “80% of your income” feels more comfortable than framing it as “losing 20%.” The difference is purely linguistic yet shapes emotional responses.

Restaurants effectively use language to create premium experiences. Referring to wine as having “earthy notes” or “complex flavors” may convince a customer that an $80 bottle is worth far more than its grocery store counterpart.

Examples

  • Income framed as either “reduced by 20%” or “retaining 80%.”
  • Gourmet language such as “artisanal breads.”
  • Descriptions on menus increasing willingness to pay.

6. Rituals Create Perceived Value

Rituals enhance how we experience consumption and the level of importance we attach to products or services. Deliberation and ceremony often elevate value.

Consider the process of savoring wine: pouring it gently, swirling, smelling, and sipping. Each step enriches the experience and raises its perceived worth. Chocolate tasting experiments confirm this phenomenon. Participants savoring chocolates slowly expressed greater enjoyment and willingness to pay more.

Creating rituals around goods often strengthens emotional satisfaction and influences spending patterns unnecessarily.

Examples

  • Wine rituals and tasting ceremonies.
  • Simplified actions, like savoring chocolate.
  • Coffee shop routines making drinks feel “special.”

7. Strengthen Self-Control by Visualizing the Future

A lack of self-control leads to overspending and under-saving. Connecting emotionally to the future self can help cut impulsive behavior and inspire smarter financial habits.

Try imagining a conversation with your future self where you acknowledge today's sacrifices as invaluable for tomorrow's comfort. This mental trick fosters a meaningful relationship with future goals while decreasing temptations.

Adding specific timelines also strengthens commitment. Avoid broad terms like “a retirement fund someday.” Instead, visualize an exact target, like “savings set up for March 2040.”

Examples

  • Writing letters to one’s “future self.”
  • Visualizing specific financial timelines.
  • Imagining your older self enjoying financial planning benefits.

8. Ulysses Contracts to Eliminate Temptation

Named after the Greek hero Ulysses, who tied himself to escape the sirens’ songs, these contracts remove tempting options in advance to avoid poor decisions later.

For instance, prepaid debit cards ensure you cannot overspend—you load only what you can afford. Similarly, automated savings directly move money into accounts without manual effort, avoiding temptations to spend.

Such preemptive systems remove opportunities for errors, making it easier to align actions with long-term financial goals.

Examples

  • Automatically directing savings via payroll.
  • Using prepaid debit cards for non-essentials.
  • Cancellation or restriction tools blocking unnecessary charges.

9. The Effectiveness of Direct Deposits and Simpler Budgets

Complications in money management routines often lead to inefficiency and frustration. Simplified budgets focus on overall totals rather than micromanaged categories.

One effective strategy is setting up a discretionary spending pool using a prepaid card. This straightforward approach removes the need to track each small transaction while ensuring you stay within fixed limits.

Automation for savings or fixed expenses allows you to be intentional without frequent decision-making efforts, boosting financial discipline.

Examples

  • Prepaid card systems limiting personal expenditures weekly.
  • Removing unnecessary reallocation adjustments in budgets.
  • Savings automation leading to significant growth in accounts.

Takeaways

  1. Preload discretionary funds weekly using prepaid debit cards to cap spontaneous overspending.
  2. Write letters or spend time visualizing your “future self” to feel connected to long-term financial goals.
  3. Set automated savings transfers directly from each paycheck and stick to consistent routines.

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