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econ.GN2026
Trade relationships during and after a crisis
Alejandra Martinez
This paper provides causal evidence that temporary supply disruptions reshape firms' relationship portfolios in international trade. Using exogenous road disruptions during Colombi…
econ.GN2025
Transitivity in International Trade: Evidence from Colombia-U.S. Firm Relationships
Alejandra Martinez, Dennis Novy, Carlo Perroni
A large literature has documented transitivity as a key feature of social networks: individuals are more likely connected with each other if they share common connections with othe…