3 papers
econ.TH2022
The Existence of Equilibrium Flows
Alfred Galichon, Larry Samuelson, Lucas Vernet
Galichon, Samuelson and Vernet (2022) introduced a class of problems, equilibrium flow problems, that nests several classical economic models such as bipartite matching models, min…
econ.TH2022
Monotone Comparative Statics for Equilibrium Problems
Alfred Galichon, Larry Samuelson, Lucas Vernet
We introduce a notion of substitutability for correspondences and establish a monotone comparative static result, unifying results such as the inverse isotonicity of M-matrices, Be…
econ.GN2019
Optimal transport on large networks, a practitioner's guide
Arthur Charpentier, Alfred Galichon, Lucas Vernet
This article presents a set of tools for the modeling of a spatial allocation problem in a large geographic market and gives examples of applications. In our settings, the market i…