twexp and twgravity: Estimating exponential regression models with two-way fixed effects
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Jochmans, Koen https://orcid.org/0000-0002-3090-3003
Verardi, V
Abstract
We introduce the commands twexp and twgravity that implement the estimators developed in Jochmans (2017) for exponential regression models with two-way fixed effects. twexp is applicable to generic n x m panel data. twgravity is written for the special case where the data is a cross-section on dyadic interactions between n agents. A prime example of the latter is cross-sectional bilateral trade data, where the model of interest is a gravity equation with importer and exporter effects. Both twexp and twgravity can deal with data where n and m are large, that is, the case of many fixed effects. They make use of Mata and are very fast to execute.
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exponential regression, gravity model, panel data, two-way fixed effects
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European Commission Horizon 2020 (H2020) ERC (715787)