An important source of political opposition to measures aimed at reducing emissions of greenhouse gases (GHGs) arises from concerns over their negative effects on the competitiveness of domestic firms, especially those that are energy-intensive and exposed to competition from foreign producers....

The governance of international trade incurs major costs, including to the environment. Global supply chains are complex, and traditionally involve the printing, dispatching, processing, exchanging, and ultimately discarding of vast quantities of paper documents. Trade facilitation, and...