Economic integration of the African continent rests on two pillars: the ratification of an ambitious trade agreement and massive investment in transportation infrastructure. Leveraging a newly created city-level database on African exporters' transport times, transport route optimization and...

This paper examines the reshaping of supply chains using detailed US 10-digit import data (tariff-line level) between 2017 and 2022. The results show that while US-China decoupling in bilateral trade is real, supply chains remain intertwined with China. Over the period, China's share of US...

During the COVID-19 pandemic, many countries used export and import policy as a tool to expand the availability of scarce critical medical products in the domestic market (scarcity nationalism). This paper assesses the direct and indirect (via trade in intermediates) increases in trade costs of...