Table of Contents

Time Preference

The 30-Second Summary

What is Time Preference? A Plain English Definition

Imagine a simple choice: Would you rather have one marshmallow right now, or wait 15 minutes and get two marshmallows? This isn't just a test for children; it's the perfect illustration of time preference. Your answer reveals how you value the present versus the future. Time preference is simply the economic term for patience. It quantifies whether you prefer your rewards sooner or later.

Think of it like planting a tree. A farmer with a high time preference might harvest the sapling for firewood because they're cold today. A farmer with a low time preference plants the sapling, waters it, and protects it for years, knowing it will eventually yield a massive, continuous harvest of fruit. Value investing is about planting orchards, not gathering firewood.

“The stock market is a device for transferring money from the impatient to the patient.” - Warren Buffett

This quote perfectly captures the essence of time preference. The market's daily gyrations are a constant test of your patience. Those with a high time preference—the impatient—are often shaken out of their positions at the worst possible times, selling their shares at a discount to those with a low time preference—the patient—who are happy to wait for the true value to emerge.

Why It Matters to a Value Investor

For a value investor, understanding and cultivating a low time preference isn't just a helpful trait; it is the fundamental psychological bedrock upon which the entire philosophy is built. It's the difference between being a speculator and being an investor. 1. It Unlocks the Magic of Compounding Compound interest is the engine of wealth creation. But that engine needs one critical fuel: time. A high time preference is like constantly stopping and starting that engine, never letting it get up to speed. You might sell a great company after it doubles in a year, feeling smart for locking in a “quick profit.” But you miss out on it growing tenfold over the next decade. A value investor with a low time preference buys a wonderful business at a fair price and is prepared to hold it for years, or even decades, allowing their returns to compound on themselves, creating exponential growth. 2. It's Your Shield Against Mr. Market's Mood Swings Benjamin Graham created the allegory of mr_market, your manic-depressive business partner who offers to buy your shares or sell you his every day. On some days he's euphoric and quotes a ridiculously high price (greed). On others, he's despondent and offers to sell you his shares for pennies on the dollar (fear).

3. It Shapes Your Perception of Value How you value a future stream of cash is a direct reflection of your time preference. In a discounted_cash_flow (DCF) analysis, the “discount rate” is the mathematical expression of time preference. It's the rate you use to translate future dollars into today's dollars.

In essence, a low time preference is what allows you to look past next quarter's earnings report and focus on where the business will be in five, ten, or twenty years.

How to Apply It in Practice

Time preference is a psychological trait, not a financial metric. You can't calculate it, but you can understand it, manage it, and shape your environment to encourage a more patient, long-term approach.

The Method: Cultivating a Low Time Preference

  1. Step 1: Honest Self-Assessment.

Before you can change your behavior, you must understand it. Ask yourself honestly:

Answering “yes” to these questions suggests a naturally high time preference. That's not a moral failing; it's a human tendency. The goal is to recognize it and build systems to counteract it.

  1. Step 2: Build Your “Patience Infrastructure”.

You can't just will yourself to be more patient. You must design an investment process that forces a long-term perspective.

  1. Step 3: Think Like a Business Owner.

Stop thinking about stocks as lottery tickets that flicker on a screen. Start thinking of them as ownership stakes in real businesses.

A Practical Example

Let's look at two investors, “Impulsive Ian” and “Patient Penny,” as they face a sudden 30% market crash. Both own shares in a high-quality, fictional company, “Durable Goods Inc.”

Investor Profile Impulsive Ian (High Time Preference) Patient Penny (Low Time Preference)
Initial Reaction Panic. He checks his phone every five minutes, watching his portfolio value plummet. The red numbers feel like a personal attack. Concern, but not panic. She acknowledges the drop but recalls her written plan: market downturns are expected and are opportunities.
Dominant Thought “I have to sell now to protect what's left! I can always buy back in when things calm down.” 1) “The business fundamentals of Durable Goods Inc. haven't changed. The stock is just 30% cheaper. It's on sale.”
Action Taken Sells his entire position in Durable Goods Inc., locking in a 30% loss. He feels a brief sense of relief from the anxiety. Following her investment plan, she not only holds her shares but uses some of her cash reserves to buy more at the new, lower price.
Outcome: 1 Year Later The market has recovered. Durable Goods Inc. is back to its pre-crash price. Ian is paralyzed. He's afraid to “buy at the top” and has missed the entire recovery. His locked-in loss is permanent. Penny's portfolio has fully recovered. Furthermore, the new shares she bought at the bottom are now up over 40%, significantly accelerating her long-term returns.

Ian's high time preference—his overwhelming desire for immediate relief from emotional pain—cost him dearly. Penny's low time preference—her ability to endure short-term pain for a much larger long-term gain—allowed her to turn a crisis into a major advantage.

Advantages and Limitations

Strengths (of a Low Time Preference)

Weaknesses & Common Pitfalls

1)
This is a classic emotional trap that rarely works.