The European Central Bank (ECB) strives to maintain inflation at a 2% target rate, yet the Euro area's diverse economies pose challenges to achieving this goal with a single nominal interest rate. Effective monetary policy transmission hinges on synchronizing the Natural Rate of Interest (NRI)...

Climate change is one of the biggest economic challenges of our time. Given the scale of the problem, the question of whether a carbon tax should be introduced is hotly debated in policy circles. This paper studies the optimal design of a carbon tax when environmental factors, such as air carbon...