The Brainy Business | Understanding the Psychology of Why People Buy | Behavioral Economics
The Brainy Business | Understanding the Psychology of Why People Buy | Behavioral Economics
Melina Palmer
525. Unpacking Left Digit Bias with Choiceology
37 minutes Posted Aug 21, 2025 at 12:00 am.
0:00
37:04
Download MP3
Show notes

In this exciting crossover episode of The Brainy Business podcast, Melina Palmer teams up with Katy Milkman, host of the acclaimed Choiceology podcast from Charles Schwab. Together, they delve into the intriguing concept of left digit bias, a psychological phenomenon that influences how we perceive prices and make decisions.

As Melina shares her experience as a guest on Choiceology, listeners will learn about the powerful implications of left digit bias, from its impact on pricing strategies—like why $4.99 feels significantly cheaper than $5—to its effects in various domains, including healthcare and consumer behavior. The episode features compelling stories, including the history of iTunes' pricing strategy and how subtle shifts in numbers can lead to significant outcomes in both personal and professional contexts.

Throughout the episode, Melina and the guests discuss real-world applications of left digit bias, illustrating how it can affect everything from diamond purchases to medical decisions. Listeners will gain insights into how this bias shapes our choices and how being aware of it can lead to better decision-making.

In this episode:

  • Understand the concept of left digit bias and its influence on pricing perception.
  • Explore the historical context of iTunes' pricing strategy and its revolutionary impact on the music industry.
  • Learn how left digit bias affects medical decisions and the implications for patient care.
  • Discover practical tips for navigating significant purchases by leveraging left digit bias.
  • Gain insights into how awareness of this bias can improve decision-making in various aspects of life.

Get important links, top recommended books and episodes, and a full transcript at thebrainybusiness.com/525.

Looking to explore applications of behavioral economics further? 

Learn With Us on our website.

Subscribe to Melina’s Newsletter Brainy Bites

Let’s connect:

Send Us a Message

Follow Melina on LinkedIn

The Brainy Business on Youtube

The Brainy Business on Instagram