By Francesco Amighetti and Beatrice Del Frate The core principle that is at the heart of the nudge theory is that “change comes not from the inside, but the outside”, as clearly expressed by Dan Ariely – professor of psychology and behavioral economics and director of the Center for Advanced Hindsight at Duke University. For […]
Author: bbiasblog
The official blog of B.BIAS - Bocconi Behavioural Insights Associations of Students
Good Resolutions and How to Keep Them
By Beatrice Del Frate and Francesco Amighetti Christmas holidays represent a good moment to spend time with family and friends and to escape from routine. After majestic meals and never-ending celebrations, the onset of the new year is always accompanied by a list of desires, very likely the ones we had the previous year. Probably […]
Espresso…What else?
Just start with few questions for coffee-addicted people: how many coffees do you take per day and how much sugar do you usually consume per coffee? We all know that the world divides into two types of people: those who like their coffee natural, and those who like it sweet (sometimes very sweet). If you […]
Interview with Guglielmo Briscese
Guglielmo Briscese is a Senior Advisor at the Behavioural Insights Team (BIT) in Sydney, Australia. He did his Bachelor’s in Economics from Università Politecnica delle Marche in Italy, MSc. in International Development from University of Glasgow and PhD in Economics from the University of Sydney. The main focus of his research and work are pro-social […]
A little encouragement goes a long way

When we think about improving student performance, we usually think of major changes in the education system, improving infrastructure, hiring more qualified teachers, etc. All of which are important of course, but could we be missing something? Perhaps something less costly and easier to implement? Having someone that supports you in your activities is important. […]
Challenging the Broken-Window theory
How can we prevent individuals from urinating in open areas? In the Nudge TV show “The Power of Habit”, Sille Krukow, a behavioural expert based in Denmark, designed a nudge to help the Copenhagen Central Station. The problem they were faced with was that many men would urinate in hidden corners outside the building, despite […]
Nudges and Social Norms
When are nudges most effective? A study by Pelle Guldborg Hansen, founder of the Danish Nudging Network, a non-profit organisation in Copenhagen, suggests that nudges may work only if they are in line with social norms. They tested two potential “social nudges” in partnership with the local government, both using symbols to try to influence […]
Increasing charitable giving
How can we nudge people to donate to charities? There are many ways to do so, but we would like to share one in particular which is very simple and surprisingly powerful. It seems that peer effects are an effective tool to change people’s behaviour. We want to do what people like us are doing. […]
Carrots or French fries? Fruit salad or a chocolate bar? These are the dilemmas that children face when choosing their meals in school lunchrooms. From convincing them that veggies will give them superpowers to ominous threats of what will happen to their bodies if they don’t eat healthy, there are few options left unexplored on how […]
Interview with Prof. Peter Ayton
Peter Ayton is a Professor of Psychology, Associate Dean of Research and Deputy Dean of Social Sciences at City University of London. His research interests cover behavioural decision theory, risk, uncertainty, affect and well-being. In May, he visited Bocconi University as a part of seminar series co-organised by B.BIAS and BELSS (Bocconi Experimental Lab for Social Sciences) […]