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Gravity Portal 

This is the homepage for the data and computer code related to gravity modeling of international trade. This data and code are designed to work together as the Gravity Modeling Environment (GME). For more information, continue here.



Latest website statistics (as of May 2019):

  • 7,000 total pages visits
  • 5,000 page visits from unique visitors
  • over 1,200 downloads of the dynamic gravity dataset files
  • over 1,700 downloads of the GME package

Coming in 2020: International Trade and Production Database (ITPD).

alexagrace小女十六岁Coming in 2020: Update to the Dynamic Gravity dataset.

alexagrace小女十六岁January 2020 - present: USITC welcomes Nuno Limão (Professor of Economics, University of Maryland) as a visiting scholar.

alexagrace小女十六岁August 2019 - present: USITC welcomes Yoto V. Yotov (Professor of Economics, Drexel University) as a visiting scholar.

November 2018: "Gravity in Diagrams" by James Anderson is posted. Click here to view.

October 2018: Computer code to estimate the structural gravity model with PPML in Python is posted. Click here for more information.

alexagrace小女十六岁July-October 2018: USITC welcomes James E. Anderson (William B. Neenan S.J. Millennium Professor of Economics at Boston College) as a visiting scholar.

April 2018: The Dynamic Gravity dataset is posted. You can get the data by using the links on the left.

January 2018: The Gravity Portal is open. This page can be reached at .


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