Countries with greater commodity export intensity have more concentrated markets for imported goods. Within countries over time, import market concentration is associated with higher domestic prices, suggesting that markups due to greater concentration outweigh any potential cost efficiency....

This paper quantifies the value of fertilizer for agricultural production and trade in a developing economy where agriculture is centrally important by using an unprecedented natural experiment whereby the government of Sri Lanka imposed an abrupt and unexpected ban on the imports of all...

Countries with greater commodity export intensity have more concentrated markets for imported goods. Within countries over time, import market concentration is associated with higher domestic prices, suggesting that markups due to greater concentration outweigh any potential cost efficiency....

This paper quantifies the value of fertilizer for agricultural production and trade in a developing economy where agriculture is centrally important by using an unprecedented natural experiment whereby the government of Sri Lanka imposed an abrupt and unexpected ban on the imports of all...