Prof. Dr. Jonas Radbruch

Prof. Radbruch erforscht, wie Entscheidungsprozesse in Arbeitsmarkt- und Bildungskontexten funktionieren — insbesondere wie Bewertungen entstehen, welche Rolle Aufmerksamkeit und Selbstauswahl spielen, und wie äußere Einflüsse (wie die Reihenfolge von Kandidaten oder Aufgabenzuordnung) die Leistung und Motivation von Menschen beeinflussen. Seine aktuellen Arbeiten nutzen Feldexperimente und Datenanalysen aus realen Einstellungs- und Zulassungsprozessen, um zu zeigen, dass subjektive Bewertungen durch Kontexteffekte verzerrt werden und dass Aufmerksamkeitslenkung zwar bessere Entscheidungen in einem Bereich fördert, aber negative Nebenwirkungen in anderen Bereichen auslöst. Die Erkenntnisse sind relevant für Personalauswahl, Bildungsinstitutionen und Organisationen, die faire und effiziente Auswahlverfahren gestalten möchten.

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• SFB/TRR 190/3: Ausbildungsentscheidungen, Marktdesign und Bildungsergebnisse (TP A06)

  Quelle ↗

  Förderer: DFG Sonderforschungsbereich Zeitraum: 01/2025 - 12/2028 Projektleitung: Prof. Dr. Jonas Radbruch

• Interventions and Cognitive Spillovers

  2021

  The Review of Economic Studies · DOI

  Abstract This article investigates how incentives and behavioural policy interventions affect individuals’ allocation of scarce cognitive resources. Based on experimental evidence, we demonstrate that incentives systematically influence individuals’ allocation of cognitive resources, and their propensity to actively engage with a decision or to stay passive. Policies that steer individuals’ attention to a specific decision lead to more active decision-making and better choices in the targeted choice domain, but induce negative cognitive spillovers on the quality of choices in other domains. In our setting, these two countervailing effects offset each other, such that the overall payoff consequences of the interventions are essentially zero. We further document that cognitive spillovers are especially pronounced for complex choices and for subgroups of the population with a smaller stock of cognitive resources. We discuss implications for the design and evaluation of behavioural policy interventions.

• The Effectiveness of Incentive Schemes in the Presence of Implicit Effort Costs

  2019

  Management Science · DOI

  Agents’ decisions to exert effort depend on the incentives and the potential costs involved. So far, most of the attention has been on the incentive side. However, our laboratory experiments underline that both the incentive and the cost side can be used separately to shape work performance. In our experiment, subjects work on a real-effort slider task. Between treatments, we vary the incentive scheme used for compensating workers. Additionally, by varying the available outside options, we explore the role of implicit costs of effort in determining workers’ performance. We observe that incentive contracts and implicit costs interact in a nontrivial manner. In general, performance decreases as implicit costs increase. Yet the magnitude of the reaction differs across incentive schemes and across the offered outside options, which, in turn, alters estimated output elasticities. In addition, comparisons between incentive schemes crucially depend on the implicit costs. This paper was accepted by Yan Chen, decision analysis.