Publications


Papers published in peer-reviewed journals

The limits of behavioral nudges to increase youth turnout: Experimental evidence from two French elections

Journal of Economic Behavior and Organization
We run a field experiment on young voters in the French Presidential and Legislative elections to test the efficacy of several nudges to increase voter turnout. None have effects.
nudge
vote
behavioral public policy
December 2025
Rustam Romaniuc, Andrea Guido, Pierre Baudry, Cécile Bazart, Loïc Berger, Noémi Berlin, Aurélie Bonein, Imen Bouhlel, Kene Boun My, Michela Chessa, Paolo Crosetto, Etienne Dagorn, Quentin David, Etienne Farvaque, Agnès Festré, Abel François, Lisette Ibanez, Herrade Igersheim, Nicolas Jacquemet, Isabelle Lebon, Mathieu Lefebvre, Olivier L’Haridon, Danlin Li, Youenn Loheac, Stéphane Luchini, Laurent Muller, Matthieu Pourieux, Elven Priour, Sébastien Roussel, Petros Sekeris, Maïté Stephan, Eli Spiegelman, Angela Sutan, Uyanga Turmunkh, Laurence Vardaxoglou, Marc Willinger, Dimitri Dubois
Published version · postprint

Label or taxes: why not both? Testing nutritional mixed policies in the lab

Journal of Economic Behavior and Organization
We test fiscal and labeling nutritional policies in the lab with real product sales on representative consumers. Labels work better than fiscal interventions, and policies are strongly subadditive when combined.
nutrition
label
behavioral public policy
January 2025
P. Crosetto, L. Muller, B. Ruffieux
Published version · postprint

Hard vs. soft commitments: Experimental evidence from a sample of French gamblers

Theory and Decision
We run a field experiment with regular players of betting games registered with La Française des Jeux – French state-run betting agency – to test theories of commitment and temptation. We characterize the effect of hard and soft commitments.
temptation
behavioral public policy
December 2024
P. Bettega, P. Crosetto, D. Dubois, R. Romaniuc
Published version · postprint

The strain on scientific publishing

Quantitative Science Studies
We collect data via web scraping on the publishing practices of the main scientific publishers. We build five indicators of strain on science, and provide the community with the data and analyses needed to understand current trends in scientific publishing.
scientific publishing
January 2024
M. A. Hanson, P. Gomez Barreiro, P. Crosetto, D. Brockington
Published version · postprint

Intellectual property reform in the laboratory

Journal of Economic Behavior and Organization
We run a modified scrabble game in the laboratory to test the effects of Intellectual property reform on creativity and innovation. IP reform is subject to voting. Groups that vote to abolish IP thrive more than those who choose to keep it.
innovation
February 2023
I. Benslimane, P. Crosetto, R. Magni-Berton, S. Varaine
Published version · postprint

Safe options induce gender differences in risk attitudes

Journal of Risk and Uncertainty
We test whether the often (but not always) observed gender difference in risk attitudes depends on the presence (or absence) of a safe option. Across four widespread risk elicitation task, we find this hypothesis to (mostly) hold.
risk elicitation
gender
January 2023
P. Crosetto, A. Filippin
Published version · postprint

Egoism and Altruism in Intergroup Conflict

Journal of Conflict Resolution
We run two distinct Intergroup Prisoner Dilemmas in a laboratory setting to tell apart cooperative (parochial altruist) from egoistic motives in conflict. Egoistic motives generate more conflict, but in specific situations parochial altruist can generate more conflict.
parochial altruism
conflict
January 2023
S. Varaine, R. Magni-Berton, I. Benslimane, P. Crosetto
Published version · postprint

Fast then Slow: A Choice Process Explanation for the Attraction Effect

Management Science
We run two lab experiments to test the choice process properties of the attraction (or asymmetric dominance) effect. We find that the effect is short lived and subjects nearly entirely revert to context-unbiased decision making when given time and incentives to do so.
choice process
attraction effect
January 2023
A. Gaudeul, P. Crosetto
Published version · postprint

Comparing input interfaces to elicit belief distributions

Judgment and Decision Making
We develop and introduce the ‘Click and Drag’ tool to elicit beliefs. We show it to be the most liked and easier to use among a set of competing tools, and the one that generates less bias and distance from a fixed target.
choice process
belief elicitation
January 2023
P. Crosetto, T. De Haan
Published version · postprint

Attacking the Weak or the Strong? An Experiment on the Targets of Parochial Altruism

Political Behavior
We run a dynamic Intergroup Prisoner Dilemma to study the targets of attacks among heterogeneous groups. Subjects attack richer outgroups more, unless the richer outgroup has high retaliatory power; they attack poorer outgroups when those threaten their social rank.
parochial altruism
conflict
January 2023
S. Varaine, I. Benslimane, R. Magni Berton, P. Crosetto
Published version · postprint

Subject heterogeneity as a driver of response times in an impunity game

Journal of Economic Psychology
Using response times in an impunity game we show that subjects form their strategy during the instructions phase and assigning altruist or egoist types using response times can be misleading.
game theory
choice process
December 2021
P. Crosetto, W. Güth
Published version · postprint

The long-term effects of self pledging in reward crowdfunding

Technological Forecasting and Social Change
Using data from Startnext.de, the biggest German crowdfunding platform, we investigate the role of self-pledging in projects’ delivery and after-funding phase. Self-pledges do not seem to have lasting impacts.
crowdfunding
innovation
April 2021
T. Regner, P. Crosetto
Published version · postprint

The Acceptability of Accountability

Constitutional Political Economy
We run an experiment in which subjects must allocate funds to their society, and can compensate for bad luck, low effort, or both. Subjects choose liberal or compensatory principles across these two dimensions. Just a minority of subjects support liberal policies.
social preferences
January 2021
J. Bone, P. Crosetto, J. Hey, C. Pasca
Published version · postprint

Central tendency bias in belief elicitation

Journal of Economic Psychology
We elicit subject’s beliefs about a uniform distribution, and find them to be consistently non-uniform but centrally biased. We rule out all potential explanation apart from actually held centrally biased beliefs.
central bias
belief elicitation
June 2020
P. Crosetto, A. Filippin, P. Katušcák, J. Smith
Published version · postprint

The experience matters: participation-related rewards increase the success chances of crowdfunding campaigns

Economics of Innovation and New Technology
We analyze the contribution of setting different reward levels on success of crowdfunding projects on Startnext.de. Projects offering participation rewards have a higher chance of success.
crowdfunding
innovation
January 2020
T. Regner, P. Crosetto
Published version · postprint

A flexible z-Tree and oTree implementation of the Social Value Orientation Slider Measure

Journal of Behavioral and Experimental Finance
We develop on otree and zTree version of the SVO slider measure, a tool to elicit social and redistributional preference of subjects.
social preferences
September 2019
P. Crosetto, O. Weisel, F. Winter
Published version · postprint

Modelling the impact of different front-of-package nutrition labels on mortality from non-communicable chronic disease

International Journal of Behavioral Nutrition and Physical Activity
Using data from a laboratory experiment focusing on grocery shopping change induced by different front-of-Pack labels and data from the NutriNet cohort following dietary habits in France we calibrate an epidemiologic model and estimate the impact on mortality from several non-communicable diseases of different nutritional labels.
nutrition
label
behavioral public policy
January 2019
M. Egnell, P. Crosetto, T. d’Almeida, E. Kesse-Guyot, M. Touvier, B. Ruffieux, S. Hercberg, L. Muller, C. Julia
Published version · postprint

Nutritional and economic impact of 5 alternative front-of-pack nutritional labels: experimental evidence

European Journal of Agricultural Economics
We run a laboratory supermarket experiment to assess the effect of 5 front-of-pack labels on the nutritional and economic characteristics of subject’s shopping. We find that the NutriScore has the highest nutritional impact.
nutrition
label
behavioral public policy
January 2019
P. Crosetto, A. Lacroix, L. Muller, B. Ruffieux
Published version · postprint

Representation Effects in the Centipede Game

PLOSone
We run different modified centipee games to test the predictions of limited backward induction – the idea that subjects find it harder to backward induct depending on the difficulty of parsing payoff information. Indeed the harder it is to parse payoffs, the more subjects “cooperate” by moving further in the centipede.
game theory
choice process
October 2018
P. Crosetto, M. Mantovani
Published version · postprint

It’s never too late: funding dynamics and self pledges in crowdfunding

Research Policy
We use data from Startnext.de, the biggest crowdfunding platform in Germany, to analyze the dynamics of crowdfunded projects. Despite widespread advice to “start hard or go home”, a large share of projects are late bloomers and succeed with pledge surges late in project life. This is partially, but not completely, linked to self-pledges.
crowdfunding
innovation
October 2018
P. Crosetto, T. Regner
Published version · postprint

Modification des achats alimentaires en réponse à cinq logos nutritionnels

Cahiers de Nutrition et Diététique
This article in in French. We run a laboratory supermarket experiment to assess the effect of 5 front-of-pack labels on the nutritional and economic characteristics of subject’s shopping. We find that the NutriScore has the highest nutritional impact.
nutrition
label
behavioral public policy
June 2017
P. Crosetto, A. Lacroix, L. Muller, B. Ruffieux
Published version · postprint

The Sound of Others: Surprising Evidence of Conformist Behavior

Southern Economic Journal
We run the Bomb Risk Elicitation task in a crowded laboratory with 32 participants, either with or without earmuffs. Even if subjects cannot observe the decisions of other players, they can hear the clicks and the higher the volume of clicks, the higher the risk tolerance. We find strong conformity/bandwagon effects whereby hearing others click, especially if the resolution of uncertainty is collective – ie one draw for everyone in the room – increases risk taking.
risk elicitation
April 2017
P. Crosetto, A. Filippin
Published version · postprint

Better stuck together or free to go? Of the stability of cooperation when individuals have outside options

Journal of Economic Psychology
We run a public good provision experiment with potential exit from the group, and study the effect of different barriers to exit. Higher barriers result in higher welfare, but as soon as exit is possible many subjects leave the partnership, often out of fear of being exploited or of the partner leaving.
cooperation
April 2017
A. Gaudeul, P. Crosetto, G. Riener
Published version · postprint

Choosing not to compete: Can firms maintain high prices by confusing consumers?

Journal of Economics Management and Strategy
We run a market experiment to test whether firms recognize the competitive implications of making their products easier or more difficult to compare with their competitors. Do firms engage in confusopolies – making offers hard to compare to increase prices? We find that experimental subjects do tacitly collude in creating confusopolies, or at least they try. More readily available information makes it easier for firms to collude.
context effects
competition
January 2017
P. Crosetto, A. Gaudeul
Published version · postprint

A Monetary Measure of the Strength and Robustness of the Attraction Effect

Economics Letters
We design and implement a task to measure the attraction effect at the individual level, using psychometrics concepts. We will then move on to use this measure in subsequent work. It allows you to measure both the extent to which a subject favors dominant options and the cost that the subject pays for that.
context effects
ade
December 2016
P. Crosetto, A. Gaudeul
Published version · postprint

Intellectual property rights hinder sequential innovation: experimental evidence

Research Policy
We run a modified scrabble game to test the dynamic efficiency of copyright vs copyleft licensing in sequential innovations. We find that groups under copyleft – ie, open-source licenses – outperform groups under copyright, generating higher payoffs and more complex innovations.
innovation
December 2016
J. Brüggemann, P. Crosetto, L. Meub, K. Bizer
Published version · postprint

A Reconsideration of Gender Differences in Risk Attitudes

Management Science
We run an extensive meta-analysis of elicited risk attitudes in experimental economics, looking at the difference by gender. Focusing on the Holt & Laury task, we find that gender differences, far from being large and ubiquitous, are small in magnitude and not often observed.
risk elicitation
gender
November 2016
A. Filippin, P. Crosetto
Published version · postprint

A Theoretical and Experimental Appraisal of Four Risk Elicitation Methods

Experimental Economics
We run an experiment to compare for widely used risk elicitation tasks, in order to find which one better represents preferences, why do their estimates differ, and how can these differences be reconciled. We find large differences in elicited risk attitudes. We find that part of the difference is due to the mechanics of the task and how choices map into risk attitude coefficients, but correcting for those still leaves a large gap among tasks. This paper won the Best Paper of The Year published in Experimental Economics award in 2015.
risk elicitation
September 2016
P. Crosetto, A. Filippin
Published version · postprint

Click’n’Roll: No Evidence of Illusion of Control

De Economist
We run two versions of the Bomb Risk Elicitation Task, one in which subjects are allowed to take control of the resolution of uncertainty, and one when they aren’t. This manipulates the illusion of control over uncertainty, that has been found to increase risk taking. We found no evidence of illusion of control.
risk elicitation
September 2016
A. Filippin, P. Crosetto
Published version · postprint

Helping consumers with a front-of-pack label: numbers or colours? Experimental comparison between Guideline Daily Amount and Traffic Light in a diet-building exercise

Journal of Economic Psychology
We compare experimentally Guideline Daily Amount and Traffic Light nutritional labels. Participants must compose a daily diet subject to nutritional constraints. GDA performs better than TL when subjects do not face time constraints. when time is limited TL and GDA have identical when time is limited TL outperforms GDA with 7 nutritional goals. efficacy with 4 nutritional goals
nutrition
label
behavioral public policy
August 2016
P. Crosetto, L. Muller, B. Ruffieux
Published version · postprint

Réponses des consommateurs à trois systèmes d’étiquetage nutritionnel face avant

Cahiers de Nutrition et Diététique
We test three different nutritional labels in an experimental store setting, using a diff-in-diff design. Aggregate, colored labels perform better.
nutrition
label
behavioral public policy
June 2016
P. Crosetto, L. Muller, B. Ruffieux
Published version · postprint

A Study of Outcome Reporting Bias Using Gender Differences in Risk Attitudes

CESifo Economic Studies
We investigate whether there is outcome reporting bias in gender differences in risk attitudes. We don’t find any.
risk elicitation
gender
January 2015
P. Crosetto, A. Filippin, J. Heider
Published version · postprint

The Bomb Risk Elicitation Task

Journal of Risk and Uncertainty
We introduce the Bomb Risk Elicitation Task, a simple, intuitive, fine-grained, visual, portable task that can be used on any population, including children, to elicit risk attitudes, and that is soundly based in expected utility theory. We test its properties and show its behavior compared to other tasks.
risk elicitation
August 2013
P. Crosetto, A. Filippin
Published version · postprint
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