We analyze the relationship between food security and trade, focusing on food importers’ exposure to sudden market failures from relying on a narrow range of international suppliers. We compute a bilateral import penetration index (BIPI), which gauges the degree to which a country depends on...

We analyze the relationship between food security and trade, focusing on food importers' exposure to sudden market failures from relying on a narrow range of international suppliers. We compute a bilateral import penetration index (BIPI), which gauges the degree to which a country depends on...