IZA - All published DPs

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No. Author(s) Title JEL Class.
17729 Deepak Premkumar
Magnus Lofstrom
Joseph Hayes
Brandon Martin
Sean Cremin
Empirical Analysis of Racial Disparities in Policing
Racial disparities within the criminal justice system continue to be a pressing issue in the U.S. In this paper, we analyze data for almost four million stops by California's fifteen largest law ...
(published in: Santa Clara Law Review, 2025, 65, 1)
J15, K42, K14, H41
17728 Simon Calmar Andersen
Bastien Michel
Helena Skyt Nielsen
Coaching and Implementation: Insights from a Field Experiment in Danish Schools
We study the effect of peer coaching separately from the effect of training on teachers' implementation of new teaching techniques. We conducted a preregistered field experiment involving 68 teachers ...
(published online in: Education Economics, 15 April 2025)
I21, J24
17726 Rita Ginja
Julie Riise
Barton Willage
Alexander Willén
Does Your Doctor Matter?
We estimate doctor value-added (VA) combining population-wide patient-doctor register data with exogenous variation in the assignment of patients to GPs. We find substantial variation in the quality ...
(forthcoming in: Journal of Political Economy Microeconomics)
None
17718 David Butler
Robert Butler
Carl Singleton
Objective Calls Under the Spotlight: Referee Consistency and Behaviour on Football's Biggest Stage
We study the objectivity of officiating under extreme pressure by analysing additional time played at the 2022 FIFA World Cup and 2024 UEFA European Championship. Controlling for within-match events, ...
(published online in: Journal of Sports Economics, 27 November 2025)
D01, D91, L83, Z20
17716 Oded Stark
On a Transformation of the Gini Coefficient into a Well-Behaved Social Welfare Function
Following Sen's (1973) characterization of the Gini coefficient as a ratio between a measure of aggregate income-based stress ("depression" in Sen's terminology) and aggregate income, we transform ...
(published in: Kyklos, 2025, 78 (2), 301-304)
C43, D01, D31, D63, H53, I31, I38, P46
17709 Uwe Jirjahn
Political Spillovers of Worker Representation: With or Without Workplace Democracy?
A series of studies show that unions and works councils have an influence on workers' political activities and attitudes. However, at issue are the transmission channels through which worker ...
(revised version published in: Analyse und Kritik - Journal of Philosophy and Social Theory, 2025, 47 (1), 5-30)
D70, J51, J53, K31, O35
17692 Guillermo Cruces
Dario Tortarolo
Gonzalo Vazquez-Bare
Design of Partial Population Experiments with an Application to Spillovers in Tax Compliance
This paper develops a framework to analyze partial population experiments, a generalization of the cluster experimental design where clusters are assigned to different treatment intensities. The ...
(published online in: Review of Economics and Statistics, 28 January 2025)
C01, C93, H71 , H26 , H21 , O23
17691 Jörg Ankel-Peters
Abel Brodeur
Anna Dreber Almenberg
Magnus Johannesson
Florian Neubauer
Julian Rose
A Protocol for Structured Robustness Reproductions and Replicability Assessments
Robustness reproductions and replicability discussions are on the rise in response to concerns about a potential credibility crisis in economics. This paper proposes a protocol to structure ...
(published in: Q Open, 2025, 5 (3), qoaf004)
A11, C18
17687 Anna Adamecz
Radina Ilieva
Nikki Shure
Revisiting the Dunning-Kruger Effect: Composite Measures and Heterogeneity by Gender
The Dunning-Kruger effect (DKE) states that people with lower levels of the ability tend to self-assess their ability less accurately than people with relatively higher levels of the ability. Thus, ...
(published in: Journal of Behavioral and Experimental Economics, 2025, 116, 102362)
J16, J24, D90
17672 Francisco Campos
Michael Frese
Leonardo Iacovone
Hillary C. Johnson
David McKenzie
Mona Mensmann
Long-Term and Lasting Impacts of Personal Initiative Training on Entrepreneurial Success
A randomized experiment in Togo found that personal initiative training for small businesses resulted in large and significant impacts for both men and women after two years. We revisit these ...
(forthcoming in: American Economic Review: Insights )
O12, O17, L26, J24, J16, D22
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