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Andreas Alfons, Aurore Archimbaud, Klaus Nordhausen, and Anne Ruiz-Gazen
2025, 27 pages, forthcoming
For multivariate data, tandem clustering is a well-known technique aiming to improve cluster identification through initial dimension reduction. Nevertheless, the usual approach using principal component analysis (PCA) has been criticized for focusing solely on inertia so that the first components...
Milo Bianchi, and Marie Brière
2025, forthcoming
We study the introduction of robo-advising on a large set of Employee Saving Plans. Differently from many services that fully automate portfolio decisions, our robo-advisor proposes investment and rebalancing strategies, leaving investors free to follow or ignore them. The resulting human-robot...
Catherine Bobtcheff, Raphaël Lévy, and Thomas Mariotti
vol. 56, n. 2 Summer, 2025, pp. 145–162
Firms receiving independent signals on a common-value risky project compete to be the first to invest. When firms are symmetric and competition is winner-take-all, rents are fully dissipated in equilibrium and the extent to which signals are publicly disclosed is irrelevant for welfare. When...
Yannis Katsoulacos, and Marc Ivaldi
2025Joseph Harrington, and Maarten Pieter Schinkel (eds.), Cambridge University Press, 2025
Daniel L. Chen, Jiafeng Chen, and Gregory Lewis
We provide some simple theoretical results that justify incorporating machinelearning in a standard linear instrumental variable setting, prevalent in empiri-cal research in economics. Machine learning techniques, combined with sample-splitting, extract nonlinear variation in the instrument that...
Marcel Boyer, and Maria Kouyoumijian
U of Toronto Press, 2025, 200 pages, forthcoming
Renata Hosnedlova, and Iryna Maidanik
vol. 31, n. 8 (e70128), November 2025, pp. 1–14
This study investigates the spatial and temporal dimensions of im/mobility within the population of western Ukraine. It challenges the typical focus on receiving countries by examining both the capabilities and motivations for staying in Ukraine or considering emigration. Based on data from 1242...
Christian Hellwig, and Venky Venkateswaran
n. 103843, November 2025, forthcoming
Ava Moser, Michael Gurven, Hillard Kaplan, Benjamin C. Trumble, Jonathan Stieglitz, Paul L. Hooper, Daniel Cummings, Adrian Jaeggi, and Kathelijne Koops
October 2025, pp. 1–26
Sex-specific division of labour and the associated use of different subsistence techniques by males (e.g., hunting) and females (e.g., gathering) has played an important role in shaping human societies. Skills needed in adulthood are practiced in play during childhood and object play has been...
Sébastien Pouget, Daniel Brodback, Nadja Guenster, and Ruichen Wang
October 2025, 17 pages
We present an experimental study of investors’ willingness to pay for socially responsible assets. In our initial public offering experiment, various assets share identical financial risk-return profiles but differ in the intensity and timing of societal benefits, represented by charitable...
