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Anders Bondemark, Henrik Andersson, and Karin Brundell-Freij

vol. 170, n. 103621, April 2023

In this paper, we study how the distributional preferences of planners and the public diverge in the context of national infrastructure planning. To do so, we surveyed a sample of 323 planners working at the Swedish Transport Administration and 2,108 members of the Swedish public. The most striking...

Thomas Mariotti, Nikolaus Schweizer, Nora Szech, and Jonas von Wangenheim

vol. 69, n. 4, April 2023, pp. 2182–2197

We study the optimal design of information nudges for present-biased consumers who make sequential consumption decisions without exact prior knowledge of their long-term consequences. For any distribution of risks, there exists a consumer-optimal information nudge that is of cutoff type,...

Gesche Huebner, Sylvain Chabé-Ferret, Anouch Missirian, Shanyong Wang, Alejandro Lopez-Feldman, Giovanni Sogari, Zhaohua Wang, Hao Li, Bin Zhang, Bo Wang, Srishti Mediratta, and Diana Ivanova

vol. 6, n. 4, April 2023, pp. 329–332

According to the IPCC, changes to our lifestyles and behavior could result in a 40%–70% reduction in greenhouse gas emissions by 2050. However, promoting impactful behavioral shifts through norms, policies, infrastructure, and technology remains challenging. This Voices asks: what must be...

Jean Tirole

vol. 7, n. 4, April 2023, pp. 171–177

Should agencies confine their role to their main duty or should they embrace new and desirable societal objectives? This article first discusses two emblematic examples of mission expansion: socially responsible competition authorities and green central banks. It then sheds light on the ongoing...

Eva Raiber, Weiwei Ren, Jeanne Bovet, Paul Seabright, and Charlotte Wang

vol. 71, n. 3, April 2023

In many societies, parents are involved in selecting a spouse for their child, integrating this with decisions about premarital investment such as education. Do spousal preferences of parents and children conflict? We estimate parents’ spousal preferences based on survey choices between random...

Bruno Biais, Christophe Bisière, Matthieu Bouvard, Catherine Casamatta, and Albert J. Menkveld

vol. 78, n. 2, April 2023, pp. 967–1014

We offer an overlapping generations equilibrium model of cryptocurrency pricing and confront it to new data on bitcoin transactional benefits and costs. The model emphasizes that the fundamental value of the cryptocurrency is the stream of net transactional benefits it will provide, which depend on...

Pascal Bégout, and Jesus Ildefonso Diaz

vol. 3/4, n. 28, March 2023, pp. 311–340

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...