A time-varying carbon tax to protect the environment while safeguarding the economy

Climate change is one of the most pressing issues of our time. The challenge for policymakers is that climate policies could have a negative impact on the economy in the short term. In this article we discuss how this trade-off between fighting climate change and ensuring a stable business cycle affects the design of environmental policies. We argue in favour of a time-varying carbon tax that is increased during booms and decreased during recessions.