Andreas I. Mueller is an associate professor at Columbia Business School. His research spans a broad spectrum of issues in macroeconomics, labor economics, and monetary economics. A central focus of his research is the labor market and, more specifically, the interaction between the business cycle and unemployment. He has also done extensive research on the job search behavior of unemployed, as well as employed, workers. His research has been published in numerous top academic journals in economics such as the American Economic Review and the Journal of Labor Economics. Mueller is a faculty research fellow at the National Bureau of Economic Research and the Institute for Labor. Mueller received his Ph.D. from Stockholm University.