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Michele Bisceglia, Salvatore Piccolo, and Emanuele Tarantino

vol. 87, n. 102919, March 2023

Two firms propose a merger to the antitrust authority. They are uninformed about the efficiencies generated by the merger, but can hire an expert to gather information on their behalf. The authority is also uninformed about the merger’s efficiencies, but can run a costly internal investigation to...

Hillard Kaplan, Paul L. Hooper, Margaret Gatz, Wendy Mack, Meng Law, Helena Chui, Linda Sutherland, James Sutherland, Christophe J. Rowan, L. Samuel Wann, Adel H. Allam, Randall C. Thompson, David E. Michalik, Guido Lombardi, Michael I. Miyamoto, Daniel Eid Rodriguez, Adrian Juan Copajira, Raul Quispe Gutierrez, Bret A. Beheim, Edmond Seabright, Daniel Cummings, Sarah Alami, Angela Garcia, Kenneth Buetow, Caleb Finch, Gregory Thomas, Benjamin C. Trumble, Jonathan Stieglitz, Michael Gurven, and Andrei Irimia

vol. 120, n. 13, March 2023

Little is known about brain aging or dementia in nonindustrialized environments that are similar to how humans lived throughout evolutionary history. This paper examines brain volume (BV) in middle and old age among two indigenous South American populations, the Tsimane and Moseten, whose...

Abdelaati Daouia, Gilles Stupfler, and Antoine Usseglio-Carleve

vol. 10, n. 3, March 2023

Superspreading has been suggested to be a major driver of overall transmission in the case of SARS-CoV-2. It is therefore important to statistically investigate the tail features of superspreading events (SSEs) to better understand virus propagation and control. Our extreme value analysis of...

Tuan Anh Luong, Manh-Hung Nguyen, N.T. Khuong Truong, and Kien Le

vol. 77, March 2023, pp. 326–336

This paper investigates the extent to which individual migration decisions in Vietnam can be driven by climate change, based on the historical rainfall data from 70 weather stations in Vietnam and the Vietnam Access to Resources Household Survey. Utilizing the exogenous variation in the rainfall...

Elias Carroni, Andrea Mantovani, and Antonio Minniti

vol. 138, March 2023, pp. 238–253

This paper examines the signaling role of prices in a context of salient thinking. Consumers cannot observe product quality directly, and they focus on the product attribute – either quality or price – that stands out in the market. Our analysis shows that salience considerations mitigate the...

Jeffrey A. Friedman

vol. 8, n. 1, March 2023

This paper evaluates emerging progressive ideas about U.S. grand strategy. Progressives’ distinctive analytic premise is that structural inequality undermines America’s national interests. To combat this problem, progressives recommend retrenching U.S. primacy in a manner that resembles the grand...

Maxime Derex, and Thomas J. H. Morgan

Jamshid J. Tehrani, Jeremy Kendal, and Rachel Kendal (eds.), Oxford University Press, February 2023

Human adaptation relies on the multigenerational transmission and accumulation of both skills and knowledge. Nonetheless, there is currently no agreement on which factor, or combination of factors, explains our peculiar ability to do so. Theoretical and empirical work, however, has identified many...

Perrin Lefebvre, and David Martimort

February 2023

Stéphane Villeneuve, and Jessica Martin

vol. 46, February 2023, pp. 1–23

What type of delegation contract should be offered when facing a risk of the magnitude of the pandemic we are currently experiencing and how does the likelihood of an exogenous early termination of the relationship modify the terms of a full-commitment contract? We study these questions by...

Sabine Noebel, Antoine Jacquet, Guillaume Isabel, Arnaud Pocheville, Paul Seabright, and Etienne Danchin

vol. 98, n. 1, February 2023, pp. 132–149

Although conformity as a major driver for human cultural evolution is a well-accepted and intensely studied phenomenon, its importance for non-human animal culture has been largely overlooked until recently. This limited for decades the possibility of studying the roots of human culture. Here, we...