Willi Semmler is Henry Arnhold Professor of Economics at the New School for Social Research, New York, and was Professor at American University, Washington D.C. and Bielefeld University. He was a visitor at Columbia University, Stanford University, the CEPREMA Paris, visiting professor at La Sapienza, Rome, and Fulbright Professor at the University of Economics, Vienna. He is also Senior Researcher at the IIASA, Vienna. His research is on empirical macroeconomics, financial economics, and economics of climate change. Some of the research has appeared in working papers of the World Bank, the IMF, the ILO, and the ECB. He is author, co-author of books on topics ranging from Dynamic Macroeconomics (MIT, 1997) and Asset Prices, Booms and Recessions (Springer, 2011), to Global Environment, Natural Resources and Economic Growth (Oxford, 2008). His recent co-edited Oxford Handbook of the Macroeconomics of Global Warming, (Oxford University Press, 2015) focuses on the macroeconomics of global warming. Recent work is particularly studying the issue of financing climate policies.