The CEIS Research Papers Series is a peer-reviewed collection of working papers established in February 2003 and registered with an International Standard Serial Number (ISSN).

The Series is disseminated through the Social Science Research Network (SSRN) and the Research Papers in Economics (RePEc) repositories. 
Circulation is ensured via periodic SSRN alerts, reaching more than 8,000 subscribers worldwide, as well as through the CEIS mailing list, which currently includes over 5,000 contacts. 
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ISSN: 2610-931X [online]

Editor: Prof. Tommaso Proietti
Assistant Editor: Prof. Rocco Ciciretti
Editorial Office Responsible: Barbara Piazzi

Beyond Colors: Communication and Social Identity in Natural Groups

Di Bartolomeo Giovanni, Papa Stefano, Pelloni Alessandra,
CEIS Research Paper, 610, September 2025

Technology Spillovers from the Final Frontier: A Long-Run View of U.S. Space Innovation

Corrado Luisa, Grassi Stefano, Paolillo Aldo,
CEIS Research Paper, 609, August 2025

Identification, Estimation and Inference in High-Frequency Event Study Regressions

Casini Alessandro, McCloskey Adam,
CEIS Research Paper, 608, July 2025

When Fewer Bids Increase Competition: Buyer Surplus Enhancing Mergers in Single-Award Procurement Auctions

Albano Gian Luigi, Ferrarese Walter, Pezzuto Roberto,
CEIS Research Paper, 607, July 2025

Catastrophic Risk Perception and the Shared Burden Effect: An Experimental Study Using Prospect Theory

Manghi Riccardo, Di Cagno Daniela,
CEIS Research Paper, 605, June 2025

New Keynesian Models, Puzzles and Omitted Effects

Morelli Francesco,
CEIS Research Paper, 604, June 2025

A Foundation for Universalisation in Games

Salonia Enrico Mattia,
CEIS Research Paper, 603, June 2025

On the Estimation of Climate Normals and Anomalies

Proietti Tommaso , Giovannelli Alessandro,
CEIS Research Paper, 602, June 2025

Meritocracy as an End and as a Means

Salonia Enrico Mattia,
CEIS Research Paper, 601, May 2025

Nudging Households’ Sustainable Investments: Results from a Pilot lab-in-the-field Experiment in Italy

Bertelli Beatrice, Brunetti Marianna, Torricelli Costanza , Zoli Mariangela,
CEIS Research Paper, 600, May 2025

Identifying Belief-dependent Preferences

Salonia Enrico Mattia,
CEIS Research Paper, 599, May 2025

Should I Share or Should I Not? On the Sharing of Information on Past Performance in Procurement

Albano Gian Luigi, Ferrarese Walter, Iozzi Alberto, Pezzuto Roberto,
CEIS Research Paper, 598, June 2025

When the Going Gets Tough: the Impact of Health Shocks on Divorce

Artero Javier Adrián López, Sanz-de-Galdeano Anna, Vuri Daniela,
CEIS Research Paper, 597, April 2025

A Stochastic Volatility Approximation for a Tick-By-Tick Price Model with Mean-Field Interaction

Dai Pra Paolo, Pigato Paolo,
CEIS Research Paper, 596, April 2025

Credit Markets, Corporate Governance and Growth

Brancati Emanuele, Giordani Paolo E., Iacopetta Maurizio, Minetti Raoul,
CEIS Research Paper, 595, March 2025

Using Multiple Tools to Enhance Competition in Public Procurement

Calini Clara, Catenazzo Alessandra, Iossa Elisabetta,
CEIS Research Paper, 594, February 2025

Rage Against the Machine or Humans?

Delle Foglie Luca, Papa Stefano, Spagnolo Giancarlo,
CEIS Research Paper, 593, February 2025

Firms’ Legality and Efficiency: Evidence from Public Procurement

Iossa Elisabetta, Latour Chiara,
CEIS Research Paper, 592, February 2025

Green Ambiguity

Carli Marco,
CEIS Research Paper, 591, February 2025