Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/336553 
Year of Publication: 
2024
Series/Report no.: 
Discussion Paper No. 503
Publisher: 
Ludwig-Maximilians-Universität München und Humboldt-Universität zu Berlin, Collaborative Research Center Transregio 190 - Rationality and Competition, München und Berlin
Abstract: 
Nudge-based policies are an important instrument for many policymakers. Based on a laboratory experiment featuring a dual-task paradigm, we examine the effects of two common types of nudge interventions - the simplification of complex decisions and the implementation of high-quality defaults. We find that these interventions do not only improve choices in the targeted domain, but also yield substantial positive indirect effects on non-targeted domains. The latter emerge through a reallocation of cognitive resources. Furthermore, the relative importance of direct and indirect effects varies systematically across the population. Evaluations that focus only on the targeted domain therefore significantly underestimate the interventions' overall effectiveness and provide a biased assessment of their distributional consequences.
Subjects: 
nudges
default options
administrative burden
limited attention
limited cognitive resources
behavioral economics
laboratory experiment
Document Type: 
Working Paper

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