ge_gravity2: A command for solving universal gravity models

Rodolfo Campos, Iliana Reggio and Jacopo Timini

Stata Journal, 2025, vol. 25, issue 4, 743-771

Abstract: In this article, we describe an algorithm for computing counterfactual trade flows, prices, output, and welfare in a large class of general equilibrium trade models. We introduce a command called ge_gravity2, which allows users to per- form these computations in Stata. This command extends the existing ge_gravity command by allowing users to compute the general equilibrium effects of changes in trade policy in positive supply elasticity models. It can be used to solve any model that falls into the class of universal gravity models as defined by Allen, Arkolakis, and Takahashi (2020, Journal of Political Economy 128: 393–433).

Keywords: ge_gravity2; general equilibrium; structural gravity; universal gravity model; positive supply elasticity; trade policy (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1177/1536867X251398335

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