Recherche avancée

Christopher Clayton et Andreas Schaab

vol. 137, n° 3, août 2022, p. 1681–1736

We study the scope for international cooperation in macroprudential policies. Multinational banks contribute to and are affected by fire sales in countries they operate in. National governments setting quantity regulations noncooperatively fail to achieve the globally efficient outcome,...

Ingela Alger

n° 22-1355, août 2022, révision décembre 2022

The 50-year old definition of an evolutionarily stable strategy provided a key tool for theorists to model ultimate drivers of behavior in social interactions. For decades economists ignored ultimate drivers and used models in which individuals choose strate-gies based on their preferences. This...

Eric Arias, Horacio Larreguy, John Marshall et Pablo Querubin

vol. 20, n° 4, août 2022, p. 1433–1477

Effective policy-making requires that voters avoid electing malfeasant politicians. However, as our simple learning model emphasizing voters’ prior beliefs and updating highlights, informing voters of incumbent malfeasance may not entail sanctioning. Specifically, electoral punishment of incumbents...

Zhe Huang, Xinyue Zhang, Ruofan Wang et Daniel L. Chen (éds.)

Cambridge University Press, août 2022

Do US Circuit Courts' decisions on criminal appeals influence sentence lengths imposed by US District Courts? This Element explores the use of high-dimensional instrumental variables to estimate this causal relationship. Using judge characteristics as instruments, this Element implements two-stage...

Javier Fernández-López de Pablo, Valéria Romano, Maxime Derex, Erik Gjesfjeld, Claudine Gravel-Miguel, Marcus J. Hamilton, Andrea Bamberg Migliano, Felix Riede et Sergi Lozano

vol. 37, n° 8, août 2022, p. 632–636

Hunter–gatherers past and present live in complex societies, and the structure of these can be assessed using social networks. We outline how the integration of new evidence from cultural evolution experiments, computer simulations, ethnography, and archaeology open new research horizons to...

Sabine Noebel, Magdalena Monier, Laura Fargeot, Guillaume Lespagnol, Etienne Danchin et Guillaume Isabel

août 2022

Acceptance and avoidance can be socially transmitted, especially in the case of mate choice. When a Drosophila melanogaster female observes a conspecific female (called demonstrator female) choosing to mate with one of two males, the former female (called observer female) can memorize and copy the...

Jacques Crémer, Gary Biglaiser et André Veiga

vol. 53, n° 3, août 2022, p. 453–483

We study incumbency advantage in markets with positive consumption externalities. Users of an incumbent platform receive sto- chastic opportunities to migrate to an entrant and can either accept them or wait for a future opportunity. In some circumstances, users have incentives to delay migration...

Sébastien Gadat et Ioana Gavra

n° 228, août 2022, p. 1–54

This paper studies some asymptotic properties of adaptive algorithms widely used in optimization and machine learning, and among them Adagrad and Rmsprop, which are involved in most of the blackbox deep learning algorithms. Our setup is the non-convex landscape optimization point of view, we...

James K. Hammitt et Seung Kyum Kim

n° 114, août 2022, p. 3743–3761

This paper uses the difference-in-differences method to assess how home prices change in the periods after major hurricanes in Miami-Dade County and links these changes to risk-perception determinants that affect market participants’ determination of the prices they are willing to accept or pay....

Mateo Montenegro et Natalia Garbiras-Diaz

vol. 112, n° 8, août 2022, p. 2631–2668

Can information and communication technologies help citizens monitor their elections? We analyze a large-scale field experiment designed to answer this question in Colombia. We leveraged Facebook advertisements sent to over 4 million potential voters to encourage citizen reporting of electoral...