Nudge for Good? Choice Defaults and Spillover Effects
By Claus Ghesla, Manuel Grieder & Jan Schmitz (ETH Zurich) Policy makers increasingly use choice defaults to promote 'good' causes by influencing socially relevant decisions in desirable ways, e.g., to increase retirement savings, charitable giving, or pro-environmental choices. Such default nudges are remarkably successful when judged by their effects on the targeted behaviors in isolation. However, there is scant knowledge about possible spillover effects of defaults on subsequent related choices. Theoretically, such behavioral spillover effects could amplify, eliminate or even...