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    HomeNewsTrendsFeaturesYou can change the game with a 'nudge'

    You can change the game with a 'nudge'

    A nudge predictably alters behaviour without forbidding any option or significantly changing economic incentives. To count as a nudge, the intervention must be easy—putting the fruit at eye level is a nudge, banning junk food isn’t.

    Vishakha Singh
    January 17, 2021 / 12:28 IST
    Have you ever wondered why people behave irrationally despite being knowledgeable? Think about the bikers who ride without a helmet.  When I read a study released by Nobel laureate Abhijit Banerjee on nudging COVID-19 related behaviour through communication, what stood out to me was the last point that the report made: “Behavior and knowledge are not one-to-one. We have observed large shifts in distancing, hygiene, and mask-wearing despite little-to-no shifts in knowledge.”  This lack of alignment between knowledge and behaviour is the reason why we need to understand behavioural economics and the Nudge theory.  Banerjee and his team launched a series of eight messages, each less than 2.5 minutes long and with a variant of key points (like a mask, social distancing). These video messages were delivered through a mobile network to 2.5 million people in West Bengal to educate people about safety measures. The key result was that this intervention induced behavioural changes both in the reporting of symptoms and preventive behaviour.  The study says the exact content of the message may not matter much in such cases, since the information is already out there and what was needed is a nudge to pay attention to it. What is behavioural economics?  Behavioural economics incorporates the study of psychology into the analysis of the decision-making behind an economic outcome such as the factors leading up to a consumer buying one product instead of another.  Richard Thaler won the Nobel Prize in economics for his contribution to behavioral economics. Thaler is well-known for his work on “nudge theory”, a term he coined to help explain how small interventions can encourage individuals to make different decisions What is a ‘nudge’? “By knowing how people think, we can make it easier for them to choose what is best for them, their families and society,” wrote Thaler and Cass Sunstein in their book Nudge, which was published in 2008. A nudge is any aspect of the choice architecture that alters people’s behaviour in a predictable way without forbidding any options or significantly changing their economic incentives. To count as a mere nudge, the intervention must be easy and cheap to avoid. Nudges are not mandates. Putting the fruit at eye level counts as a nudge. Banning junk food does not.

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     Banerjee’s message was a way to nudge people’s behaviour towards COVID-19 prevention. The report also suggests that there is value in persistent messaging, at least by celebrities. Though there is a lot of existing information, a new message can act as a useful nudge.  It also suggests, given that governments have a fixed budget for messages and since within-community spillovers are large, it is important to disseminate the messages broadly across many communities rather than using the same budget to target more people within a particular community. Hence, two important takeaways about nudging— frequency of messages and community messaging.  How can you use nudge theory and behavioural economics in your business?  

    The United Kingdom’s government set up the Behavioural Insights Team in 2010–popularly called the nudge unit to address “everyday” policy challenges where human behaviour was a key component. David Halpern, the chief of the unit, has described his experiences in the book The Nudge Unit. 

     The nudge theory focuses on communication interventions to change behaviour. They have designed interventions to increase tax payments, drive organ donations, declare incomes, change poor habits like smoking and poor financial saving habits.  Halpbern shared a framework to design a nudge: EAST where the intervention needs to be Easy, Attractive, Social and Timely.   1 EasyKeeping the messages simple and clear of expectations increases the response rates. I have written about clear communication in this piece. The other way is to make an action the default action. When the Nudge unit needed people to sign up for a pension fund, they made pension enrolment as the default option. Under the old system, workers had to actively opt-in to a workplace pension. While most people see pensions as an important part of their future, doing something about it was a task. So the government changed the game by making workplace pensions opt-out, not opt-in.  2 AttractiveThe messages can be made attractive to nudge behaviour. The first part of the attractive message is that it needs to catch the attention and the second is to make the offer attractive enough to drive action. Bright aisle messages and sale offers are the commonly used tools by supermarkets and marketplaces. I personally feel, if like businesses, the government uses attractive messaging in changing behaviour, it would be far more effective. Do you remember the anti-smoking ads which start with pictures of cancerous tumours? Those images make you turn your eyes away from the message. This type of messaging is based on fear. As an alternative, it would be interesting to see the effectiveness of messages carrying mountain climbing or fitness images instead.  3 SocialWe are deeply social in our behaviour. We are influenced by what others around us are doing and particularly by the behaviour of those we know or feel are like us. Banerjee, a Bengali Babu, was the face and voice in the COVID messages. People of West Bengal, the state where the test was done, were able to associate with him and therefore the impact was positive. Community messages work well because the community allows people to see each other’s shift in behaviour. Research shows that if a park is littered, people will continue to add more litter, however, the behaviour changes if the park is clean. In this case, people will behave responsibly as well.  4 Timely The timing of the prompt to people when they are likely to be most receptive makes a difference. A series of studies have shown that what we choose for our future selves often differs greatly from what we choose for our present selves. For example, most people choose a healthy snack option for later in the day, especially if they have just eaten but the reverse is true when asked immediately before the snack is available.  My brush with the nudge  A school asked parents to fill up a survey form. The form was individually mailed to parents and the link was also shared on Whatsapp groups. Grouped by grades on Whatsapp, these were managed by one parent as the coordinator between the school and the parent body.  The information was critical to the school and therefore more the participants, the more successful the exercise. However, the response was poor despite repeated reminders.  In one group the nudge theory was applied. Instead of a reminder, a message was shared that read: Once you complete the survey, kindly remove your name from the list and paste it again. Thank you.  List of names yet to do the survey: (names changed)1. Karen2. Samidha3. Mukta This was a magical intervention. Respondents rushed to remove their names from the list on the WhatsApp group. No one wants to see their name on the yet-to-do-task list. Remember, the backbencher never likes the class to turn towards her. Soon this message was adapted by all other grades and the school witnessed a great response rate.  A nudge can be designed to change behaviour positively. Keeping it simple, removing friction, making it visible, creating a social presence are some of the ways of designing nudge interventions.  

    (Vishakha Singh, author of a forward-thinking course SHIFT, is a business strategist & a design thinking practitioner. She writes at www.habitsforthinking.in, offering insights into the ever-changing business environment.) 

    Vishakha Singh is an author of a forward-thinking course SHIFT, is a business strategist & a design thinking practitioner. She writes at www.habitsforthinking.in, offering insights into the ever-changing business environment.
    first published: Jan 16, 2021 08:55 am

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