In 2018, the United States launched a trade war with China, marking an abrupt departure from its historical leadership in integrating global markets. By late 2019, the United States had imposed tariffs on roughly $350 billion of Chinese imports, and China had retaliated on $100 billion of US...

We study optimal dynamic lockdowns against Covid-19 within a commuting network. Our framework integrates canonical spatial epidemiology and trade models, and is applied to cities with varying initial viral spread: Seoul, Daegu and NYC-Metro. Spatial lockdowns achieve substantially smaller income...

In 2018, the US launched a trade war with China, an abrupt departure from its historical leadership in integrating global markets. By late 2019, the US had tariffed roughly $350 billion of Chinese imports, and China had retaliated on $100 billion US exports. Economists have used a diversity of...

We study global trade responses to the US-China trade war. We estimate the tariff impacts on product-level exports to the US, China, and rest of world. On average, countries decreased exports to China and increased exports to the US and rest of world. Most countries export products that...