Why nudges fail and other puzzles: insights from research on commitment devices

manu savaniManu Savani 

Having just read the new special issue and accompanying blog series published by Policy & Politics entitled Beyond nudge: advancing the state-of-the-art of behavioural public policy and administration, I was inspired to respond to some of the arguments mooted.

The question of why we find behaviour change resolutions difficult to stick to has long been the subject of debate and research. It is familiar territory at this time of year as we contemplate new year’s resolutions. Knotty inter-temporal choices can be affected by present bias, where we focus on short-term gains rather than the long-term payoffs. Commitment devices – any voluntary strategy we use to influence our future decisions and achieve our goals – have shown promise in addressing present bias. These strategies can rely on financial stakes, as shown by the stickK approach, which reports having $51 million on the line across 527,000 individual commitments. Continue reading