Complexity research draws on complexity in various disciplines. This Handbook provides a comprehensive and current overview of applications of complexity theory in economics. The 15 chapters, written by leading figures in the field, cover such broad topic areas as conceptual issues, microeconomic market dynamics, aggregation and macroeconomics issues, econophysics and financial markets, international economic dynamics, evolutionary and ecological-environmental economics, and broader historical perspectives on economic complexity.This Handbook presents perspectives at a broad and high level of current cutting edge research in complexity, and will be of great interest to academics concerned with all aspects of economics and in particular economic theory, macroeconomics and evolutionary economics.