Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/312256 
Erscheinungsjahr: 
2025
Schriftenreihe/Nr.: 
I4R Discussion Paper Series No. 205
Verlag: 
Institute for Replication (I4R), s.l.
Zusammenfassung: 
Luckman et al. (2018) experimentally tested the conjecture that a single model of risky intertemporal choice can account for both risky and intertemporal choices, and under the conditions of their experiment, found evidence supporting it. Given the existing literature, that is a remarkable result which warrants (conceptual) replication. Following a tradition in psychology, Luckman et al. (2018) had first-year psychology students participate that were rewarded with non-monetary course credits (see also Luckman et al., 2020). Proper incentivisation is a long-standing bone of contention among experimentally working economists and psychologists, last but not least when it comes to the elicitation of preferences of any kind. Another reason to be sceptical is that the experiment was not properly powered up; the no-difference results reported by the authors might be spurious. In our conceptual replication of Luckman et al. (2018), we find significant differences between the risky and intertemporal choices at both the group and individual level. We find further that there is no significant difference between choices made by participants that are paid a flat incentive and participants that are paid under the random incentive scheme, at the group level. We find that order effects matter for intertemporal choices, but not for risky choices. At the individual level, we find evidence in favour of the model that assumes a common value function, but separate choice functions. This result is robust across our incentive systems, and order of presentation, but sensitive to different prior distributions.
Schlagwörter: 
experimental practices
replication
risky intertemporal preferences
risk preferences
time preferences
JEL: 
C11
C52
C91
D01
D81
D90
Dokumentart: 
Working Paper

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