Regularity properties of optimal transportation problems arising in hedonic pricing models

Details Regularity properties of optimal transportation problems arising in hedonic pricing models Regularity properties of optimal transportation problems arising in hedonic pricing models

2011-10-12

arxiv.org/abs/1110.2790v1

Mathematics

Analysis of PDEs

Scientific paper

We study a form of optimal transportation surplus functions which arise in hedonic pricing models. We derive a formula for the Ma-Trudinger-Wang curvature of these functions, yielding necessary and sufficient conditions for them to satisfy \textbf{(A3w)}. We use this to give explicit new examples of surplus functions satisfying \textbf{(A3w)}, of the form $b(x,y)=H(x+y)$ where $H$ is a convex function on $\mathbb{R}^n$. We also show that the space of equilibrium contracts in the hedonic pricing model has the maximal possible dimension, a result of potential economic interest.

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