
For the past few years, I've had Daniel Wagner on the show at about this time of year to give a look ahead at the state of the world from a geopolitical perspective. We do that again as 2024 comes to a close and 2025 is just a few days away.
Daniel is my co-author of Decision-Making in the Polycrisis Era. He is the CEO of Country Risk Solutions and knows quite a bit about geopolitics. This is a conversation that I hope gets you to be perhaps a bit more curious about the state of the world. It is concerning out there, and we don't shy away from that. But with understanding comes a better ability to act.
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Today, we're going to hear about something called “the housefly effect”, which is all about how little interventions affect our behaviour and how we don't even realize that. My guests are the co-authors of a fascinating book by the same name, The Housefly Effect – How Nudge Psychology Steers Your Everyday Behaviour. They are Dr. Eva van den Broek, and Tim den Heijer, both are based in the Netherlands.
Eva holds a PhD in behavioural economics and is the founder of Behavioral Insights. She works with a lot of policymakers on these topics. Tim is a creative strategist, the founder of B.R.A.I.N. Creatives and has over 20 years of experience in advertising for some of the biggest brands in the world.
And they make a great team, as you will hear. This conversation is a fun one, but it makes you think. And, as you listen to it, it's interesting to consider the choices that we make and whether or not there's something at play in these decisions that's almost imperceptible - the housefly effect. Small things can have big impacts. And if we understand that, it opens many fascinating possibilities.
Show Notes:
The Housefly Effect – https://www.amazon.co.uk/Housefly-Effect-Psychology-Everyday-Behaviour/dp/183501142X
Eva on LinkedIn - https://www.linkedin.com/in/evdbroek/
Tim on LinkedIn - https://www.linkedin.com/in/timdenheijer/
Eva’s firm Stichting Behavioural Insights - https://www.behaviouralinsights.nl/
Tim’s firm B.R.A.I.N. Creatives - https://braincreatives.nl/wie
Morioka Shoten – the Tokyo bookshop that only sells one book: https://www.theguardian.com/books/2015/dec/23/japanese-bookshop-stocks-only-one-book-at-a-time
Robert Cialdini - https://en.wikipedia.org/wiki/Robert_Cialdini
Gerd Gigerenzer – https://en.wikipedia.org/wiki/Gerd_Gigerenzer
Koen Smets – https://behavioralscientist.org/author/koen-smets/
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Learn more about The Decision-Making Studio: https://thedecisionmaking.studio/
Subscribe to our podcast: https://thedecisionmaking.studio/podcast

Today, we talk about one of the most influential people in world history - how he thought and how he made decisions. That person is Charles Darwin, the man who caused the Western World to reassess what it thought was true. Charles Darwin had a way of thinking and deciding and hear all about that in this episode.
We obviously could not get Charles himself. However, we have fabulous conversation with his great-great grandson, Chris Darwin. Chris has very interesting background. Earlier his early life he had enough of hearing about his famous ancestor and he pursued a career in advertising. As you will hear however, he came back to Charles and how he thought and how he made decisions. Chris is based in Australia. He is an author, adventurer, and conservationist. He joins me in a stimulating, fun and insightful discussion into how Charles Darwin thought and made decisions.
Show notes:
Chris on finding one’s purpose
Tiny Habits by B.J. Fogg
Atomic Habits by James Clear
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Like what you heard?
Learn more about The Decision-Making Studio: https://thedecisionmaking.studio/
Subscribe to our podcast: https://thedecisionmaking.studio/podcast