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Aksel Erbahar et Vincent Rebeyrol
n° 21-1265, novembre 2021, révision septembre 2022
This paper shows that manufacturing exporters export goods that they have not produced and thus also act as trade intermediaries. The geographical dimension of the data reveals that almost half of these exports of “sourced” products are purely intermediated: to many destinations, firms export...
Céline Nauges, Douadia Bougherara et Estelle Koussoubé
n° 21-1266, novembre 2021
Using a large representative dataset of 4,428 maize farmers from Burkina Faso with information on over 7,800 plots, we study the role of risk and farmers’ risk preferences in their use of nitrogen fertilizers. After characterizing the role of nitrogen on the moments of the maize yield distribution...
Douadia Bougherara, Lana Friesen et Céline Nauges
n° 21-1267, novembre 2021, révision juillet 2022
Klaus Nordhausen et Anne Ruiz-Gazen
n° 21-1268, novembre 2021
Scatter matrices generalize the covariance matrix and are useful in many multivariate data analysis methods, including well-known principal component analysis (PCA), which is based on the diagonalization of the covariance matrix. The simultaneous diagonalization of two or more scatter matrices goes...
Estelle Medous, Camelia Goga, Anne Ruiz-Gazen, Jean-François Beaumont, Alain Dessertaine et Pauline Puech
n° 21-1269, novembre 2021, révision juin 2022
In social and economic surveys, it can be difficult to directly reach units of the target population, and indirect sampling is often advocated to solve this issue. In indirect sampling, the sample is drawn from a frame population that is linked to the target population, and estimation of tar-get...
Francesco Decarolis, Maris Goldmanis, Antonio Penta et Ksenia Shakhgildyan
n° 21-1273, novembre 2021
Bid delegation to specialized intermediaries is common in the auction systems used to sell internet advertising. When the same intermediary concentrates the demand for ad space from competing advertisers, its incentive to coordinate client bids might alter the functioning of the auctions. This...
Christian Bontemps, Kevin Remmy et Jiangyu Wei
n° 21-1258, novembre 2021
In this paper, we estimate a structural model of the domestic US airline market to analyze the effect of the recent merger between American Airlines and US Airways. Our results show that, between 2011 and 2016, a substantial fuel price drop in conjunction with changes in consumer preferences toward...
Mariann Ollar et Antonio Penta
n° 21-1262, novembre 2021
Yuzuru Kumon
n° 21-125, novembre 2021
This paper uses a new dataset of Japanese village censuses, 1637-1872, to measure inequality in landownership. Surprisingly, lands were relatively equally distributed, and most peasants were de-facto landowners. Further, there was no trend in wealth inequality. This contrasts with Western Europe...
Darius-Aurel Frank, Christian T. Elbaek, Caroline Kjaer Borsting, Panagiotis Mitkidis, Tobias Otterbring et Sylvie Borau
vol. 16, n° 11 (e0259928), novembre 2021
The COVID-19 pandemic continues to impact people worldwide–steadily depleting scarce resources in healthcare. Medical Artificial Intelligence (AI) promises a much-needed relief but only if the technology gets adopted at scale. The present research investigates people’s intention to adopt medical AI...
