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Mar 2025
40m 19s

479. The Housefly Effect: Small Changes,...

MELINA PALMER
About this episode

In this episode of The Brainy Business podcast, Melina Palmer welcomes Eva van den Broek and Tim den Heijer, co-authors of the intriguing new book, The Housefly Effect. Join the conversation as they explore the fascinating concept of how small, seemingly insignificant factors can have a profound impact on behavior—much like the annoying buzz of a fly that suddenly demands your attention.

Eva, a behavioral economist and founder of Behavioral Insights Netherlands, shares her expertise on applying behavioral science to improve public policy, while Tim, a creative strategist and founder of Brain Creatives, discusses the intersection of advertising and behavioral insights. Together, they explore the origins of their book and how it relates to everyday decision-making.

In this episode:

  • Discover the concept of the Housefly Effect and its implications for understanding human behavior.
  • Learn about the famous fly in the urinal nudge and how small changes can lead to significant outcomes.
  • Explore the importance of framing and how it can simplify complex information for better decision-making.
  • Understand the impact of social proof and the dangers of negative messaging in marketing and public campaigns.
  • Gain insights into the placebo effect and how perception can influence our experiences with products and brands.

Get important links, top recommended books and episodes, and a full transcript at thebrainybusiness.com/479.

Looking to explore applications of behavioral economics further? 

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