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A general framework is given to analyze the falsifiability of economic models based on a sample of their observable components. It is shown that, when the restrictions implied by the economic model are insufficient to identify the unknown quantities of the model, the duality of optimal...
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We propose a computationally feasible way of deriving the identified features of models with multiple equilibria in pure or mixed strategies. It is shown that in the case of Shapley regular normal form games, the identified set is characterized by the inclusion of the true data distribution...
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In this paper, we describe a novel iterative procedure called SISTA to learn the underlying cost in optimal transport problems. SISTA is a hybrid between two classical methods, coordinate descent ("S"-inkhorn) and proximal gradient descent ("ISTA"). It alternates between a phase of exact...
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This is a preliminary draft of the manuscript of my textbook "Optimal Transport Methods in Economics" (to appear), based on lectures given at MIT in Spring 2015. The present preprint version is circulated to invite comments by readers
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