A central question in climate policy is whether early investments in low-carbon technologies are a useful first step towards a more effective climate agreement in the future. We introduce a climate cooperation model with endogenous R&D investments where countries protect their international...

The issue of carbon border tax adjustment (CBTA) has been coming up for the last few years as a viable policy alternative from both sides of the Atlantic Ocean. The economic rationale is that when a domestic producer is subject to a domestic carbon emission taxation and faces competition with an...

One element of the proposed European Green Deal is a border carbon adjustment mechanism. The introduction of a BCA would allow the EU to phase out current carbon leakage provisions of the ETS and to auction off all emission allowances, thus rendering the ETS a more effective unilateral tool to...

Border Carbon Adjustment Mechanisms (BCAMs) are becoming reality in the EU and elsewhere, and recur—in very different form—in U.S. legislative proposals. But they remain contentious, with features and differences that leave the underlying welfare rationale and implications unclear. Exploring...

International cooperation on climate change and trade is intensifying, as highlighted by numerous initiatives launched at the multilateral, plurilateral, and bilateral levels. This is an encouraging development, signaling the major role of trade policy in supporting decarbonization efforts and...