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Trevor Tombe

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Open access Sep 2026

Barriers Within Borders

Domestic markets can be far from fully integrated within a country: Canada's interprovincial trade is half the size of its international trade. We estimate internal trade costs using bilateral flows across hundreds of products and sectors and decompose them into geographic and non-geographic components. Embedding these...

Federico J. Díez, Trevor Tombe, Yuan Yang · 0 citations

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