While there is broad consensus that carbon pricing is an effective instrument for combatting climate change, the potential contribution of central banks is still debated. Central banks around the world have adopted different strategies to consider climate change in their monetary policy frameworks. This article focuses on green quantitative easing (QE). Compared with a carbon tax, we find that green QE would contribute only moderately to reducing global temperatures, while partially crowding out green private investment. However, green QE could serve as a complementary instrument, especially if governments fail to coordinate on introducing a sufficiently ambitious carbon tax on the global scale.
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