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Christian Gollier

Lint Barrage, and Solomon Hsiang (eds.), chapter 3, 2024, pp. 113–142

This document is a newcomer guide to the economic theory of discounting, with applications to climate change and sustainability. It borrows ingredients from public economics, decision theory, and asset pricing theory, without any prerequisites beyond microeconomics 101. Aiming at sustainability...

Marine Spiteri, Ghislaine Narayanane, Vincent Réquillart, and Louis-Georges Soler

New-York, vol. 40, n. 3, 2024, pp. 596–613, New-York

Encouraging the food industry to reformulate their products is a possible public intervention to improve diet quality. In this paper, we assess the impact of food reformulation on per capita salt and saturated fatty acids (SFAs) intake, in France, for four product categories, namely, potato chips,...

René Garcia, and Alissa Marinenko

Marco Corazza, René Garcia, Faisal Shah Khan, Davide La Torre, and Hatem Masri (eds.), World Scientific Publishing, chapter 3, 2024, p. 103–148

In this chapter, we briefly review the methodology of reinforcement learning and describe its application to the financial problem of portfolio allocation. In this context, we define the environment as a set of states, captured by such financial variables as stock returns or technical indicators,...

René Garcia, Marco Corazza, Faisal Shah Khan, Davide La Torre, and Hatem Masri

Marco Corazza, René Garcia, Faisal Shah Khan, Davide La Torre, and Hatem Masri (eds.), World Scientific Publishing, 2024

Caio Almeida, Kim Ardison, Gustavo Freire, René Garcia, and Piotr Orlowski

vol. 59, n. 8, December 2024, pp. 3633–3670

We propose a novel measure of the market return tail risk premium based on minimum- distance state price densities recovered from high-frequency data. The tail risk premium extracted from intra-day S&P 500 returns predicts the market equity and variance risk premiums and expected excess returns...

Francesca Barigozzi, Helmuth Cremer, and Emmanuel Thibault

vol. 37:74, 2024

We present a simple dynamic model based on on-the-job human capital accumulation affecting the dynamic of wage rates and labor earnings. The model can generate and explain the different dynamics of women’s earnings after childbirth documented in the empirical literature on child penalties. We show...

Jairo F. Gudino, Umberto Grandi, and César Hidalgo

vol. 382, n. 2285, December 2024

We explore an augmented democracy system built on off-the-shelf large language models (LLMs) fine-tuned to augment data on citizens’ preferences elicited over policies extracted from the government programmes of the two main candidates of Brazil’s 2022 presidential election. We use a train-test...

César Hidalgo

Wolfram Elsner, Ping Chen, and Andreas Pyka (eds.), chapter 3, 2024, pp. 50–63

Barry Hewlett, Adam H. Boyette, Vinod Chellan, Samuel Dira, Hillary Fouts, Kim Hill, Haneul Jang, Seetha Kakkoth, Tomoe Noguchi, Keiichi Omura, Eric Schniter, Akira Takada, Nikhil Chaudhary, Gul Deniz Salali, and Michelle Scalise Sugiyama

vol. 9, n. 3-4, December 2024, p. 323–348

Generally high rates of adult mortality coupled with cultural approval of divorce/remarriage mean that alternatives to the ‘nuclear model’ of the family can be common in contemporary hunter-gatherer communities. While many studies of hunter-gatherer societies have emphasised the flexible,...

Adam H. Boyette, Laurel Fogarty, Amandine E. Visine, and Haneul Jang

vol. 9, n. 3-4, December 2024, p. 323–348

Generally high rates of adult mortality coupled with cultural approval of divorce/remarriage mean that alternatives to the ‘nuclear model’ of the family can be common in contemporary hunter-gatherer communities. While many studies of hunter-gatherer societies have emphasised the flexible,...