International Trade


The trade datasets are based on two data collections of exports and imports among states over the period of 1870-2008.


Barbieri, Katherine and Omar Keshk. 2012. Correlates of War Project Trade Data Set Codebook, Version 3.0. Online:

Barbieri, Katherine, Omar M. G. Keshk, and Brian Pollins. 2009. “TRADING DATA: Evaluating our Assumptions and Coding Rules.” Conflict Management and Peace Science. 26(5): 471-491.

Gleditsch, Kristian S. 2002. Expanded Trade and GDP Data. Journal of Conflict Resolution, 46(5): 712-724. Data available at:

International Trade Data:

  1. Dyadic Trade: This is a valued network dataset in dyadic format.
  2. Dyadic Trade (matrix): This is a matrix format of the Dyadic Trade file.
  3. Dyadic Trade (binary): This is binary version of the Dyadic Trade file.
  4. Dyadic Trade (binary matrix): This is the binary Dyadic Trade dataset in matrix format.

International Trade Codebook:

  1. Trade Networks Dataset Codebook