IZA - All published DPs

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No. Author(s) Title JEL Class.
17521 Solomon Polachek
Kenneth Romano
Ozlem Tonguc
Homo-Silicus: Not (Yet) a Good Imitator of Homo Sapiens or Homo Economicus
Do large language models (LLMs)—such as ChatGPT 3.5, ChatGPT 4.0, and Google's Gemini 1.0 Pro—simulate human behavior in the context of the Prisoner's Dilemma (PD) game with varying stake sizes? This ...
(forthcoming in: Journal of the Economic Science Association)
D01, C72, C90
17516 Nick Drydakis
Small Enterprises' Digital Competencies and Financial Performance
In the contemporary business landscape, digital competencies have become a crucial factor for small enterprises to remain competitive and thrive. The present study examines how a business ...
(published in: V. Aranitou, A. Angelakis, and M. Manioudis (eds), The Economic Impact of Small and Medium-Sized Enterprises Analytical Approaches to Growth and Innovation Challenges Amid Crises in Europe, Palgrave Macmillan, London, 2025, 55–68)
D25, O14, M53
17509 Alicia De Quinto
Libertad González
The Short- and Long-Term Effects of Family-Friendly Policies on Mothers' Employment
Countries often encourage part-time work among new parents as part of their family policies, aiming to foster mothers' labor market attachment. However, this approach may unintentionally impede ...
(published in: Labour Economics, 2025, 92, 102672)
J08, J13, J16, J18
17507 Manuel Bagues
Carmen Villa
Minimum Legal Drinking Age and Educational Outcomes
Over the past decades, many European countries have raised the minimum legal drinking age (MLDA) from 16 to 18 years. This study provides novel evidence of the impact of this policy on educational ...
(Journal of Health Economics, 2025, 104, 103078)
I18, I12, I21
17506 Oded Stark
Lukasz Balbus
Altruistic Giving and Risk Taking in Human Affairs
The purpose of this paper is to provide a general proposition of the relationship between altruism and risk taking. As explained in the body of the paper, we diverge from a result reported in Stark ...
(published in: Social Choice and Welfare, 2025, 64, 373–392)
D01, D64, D81, G41
17504 Eduard Brüll
Davud Rostam-Afschar
Oliver Schlenker
Cut Off from New Competition: Threat of Entry and Quality of Primary Care
We study how the threat of entry affects service quantity and quality of general practitioners (GPs). We leverage Germany's needs-based primary care planning system, in which the likelihood of new ...
(Labour Economics, 92, 102669, 2025)
I11, I18, J44, J22, L10, L22, R23
17499 Désirée I. Christofzik
Angela Fuest
Robin Jessen
Macroeconomic Effects of the Anticipation and Implementation of Tax Changes in Germany: Evidence from a Narrative Account
This paper quantifies the dynamic macroeconomic effects of tax changes in Germany, allowing for anticipation effects of preannounced tax reforms. Identification is achieved using a narrative ...
(published in: Economica, 2022, 89 (353), 62-81.)
H20, H30, E32, E62
17498 Robin Jessen
Johannes König
Hours Risk and Wage Risk: Repercussions over the Life-Cycle
We decompose earnings risk into contributions from hours and wage shocks. To distinguish between hours shocks, modeled as innovations to the marginal disutility of work, and labor supply reactions to ...
(published in: Scandinavian Journal of Economics, 2023, 125( 4), 956–996.)
D31, J22, J31
17497 Liam D'hert
Louis Lippens
Stijn Baert
Not a Lucky Break? Why and When a Career Hiatus Hijacks Hiring Chances
Sustaining social security systems amidst an ageing population requires (re)integrating the unemployed and inactive into work. However, stigma surrounding non-employment history can create barriers ...
(revised version published online in: Labour Economics, 12 March 2026)
C91, E24, J21, J64
17492 Xueying Liu
Zhong Zhao
Does Social Pension Insurance Increase the Efficiency of Household Financial Portfolios?
This study investigates the impact of social pension insurance on the efficiency of household financial portfolios, utilizing data from the 2019 wave of the China Household Finance Survey. Our ...
(published in: Finance Research Letters, 2025, 81, 107323)
G59, J24, I28
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