If a baseball and a bat cost $1.10 together, and the bat costs $1.00 more than the ball, how much does the ball cost?
Solution
5 cents. System 1 thinking often leads to mistakes in this type of problem.
A father and son are in a horrible car crash that kills the dad. The son is rushed to the hospital; just as he’s about to go under the knife, the surgeon says, “I can’t operate—that boy is my son!” How is that possible?
Solution
The surgeon is the boy’s mother. This puzzle illustrates the persistence of gender discrimination.
In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of the lake?
Solution
47 days. To answer correctly, you need to ignore your system 1 and use your system 2.
Alan is smart, hard-working, impulsive, stubborn and jealous.
Ben is jealous, stubborn, impulsive, hard-working and smart.
Who should you hire?
Solution
They are the same, but a priming effect often make people prefer the first candidate.
18-01-2022
In the first B.E. GOOD! Podcast episode of 2022, we speak with Professor Liam Delaney, Head of the Department of Psychological & Behavioural Science (PBS) at the London School of Economics, visiting professor at University College Dublin, as well as the co-developer of the Stirling Behavioural Science Centre.
Liam frequently discusses issues at the intersection of economics, psychology and ethics as they shape the emergent fields of behavioural public policy and administration. Additionally, he has published papers on the connection between mental health and economic outcomes, measuring preferences, and ethical aspects of behavioural policy.
Listen to the podcast below on Soundcloud or on your favorite podcast platform.
In our conversation, we learned about:
Connect with Professor Delaney on LinkedIn and Twitter to learn more about his work.
Want to keep listening? Check out other episodes of the B.E. GOOD! Podcast.
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