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Olivier Faugeras
vol. 55, n° 2, 2026, p. 105–152
The presence of zeroes in Compositional Data (CoDa) is a thorny issue for Aitchison’s classical log-ratio analysis. Building upon the geometric approach by Faugeras (2023), we study the full CoDa simplex from the perspective of affine geometry. This view allows to regard CoDa as points (and not...
James K. Hammitt
vol. 34, n° 100639, 2026
Weighted benefit-cost analysis is receiving increased attention as a method to incorporate concerns about the distribution of policy effects across individuals. Weights are intended to reflect interpersonal differences in the effect of income on wellbeing (the marginal utility of income) and the...
Michel Le Breton, Paul Castañeda Dower, Gunes Gokmen et Shlomo Weber
20262026, à paraître
This paper examines the lasting impact of Cold War alignment on African economic development. To determine alignment and reduce the number of potential outcomes under consideration, we introduce a non-cooperative game of social interactions where each country chooses its bloc based on its...
Emmanuel Cohen (Gustave Eiffel University)
2026
Pierre Régibeau (Analysis Group)
José Anson (Universal Postal Union)
Biljana Grgurovic (Academy of Technical and Art Applied Studies, Department School of Information and Communication Technologies Belgrade)
Mateusz Cholodecki (European University Institute)
Marcel Boyer (Université de Montréal; TSE)
Antonio Russo (Institut Mines Télécom Business School)
