From the book Nudge by Thaler and Sunstein, a choice architecture is a moment designed decision. Choice architecture might include both nudges and incentives toward a particular option or group of options. One aspect of the choice architecture is the “well chosen default“.
Financial decision-making and choice architecture, provide readily applicable strategies for policy makers to “nudge” consumers toward more responsible financial decisions. For example: Rather than placing choice restrictions or imposing economic incentives, simply changing the way choices are presented in the environment can create nudges and alter people’s behavior (Thaler, 2015; Thaler and Sunstein, 2008).
Another example: Setting organ donation as a default leads to significantly higher donation rates compared with when the default is to not donate (Johnson and Goldstein, 2003) Read More Here