"Three Essays on Aggregate Demand and Growth" is a scholarly book that examines the role of aggregate demand in macroeconomics. It highlights how aggregate demand can cause not only short-term deviations from a long-term equilibrium but also have long-term effects on economic growth. The three independent essays in this book provide a comprehensive analysis of the interactions between aggregate demand and economic growth, particularly in the context of Latin America. Through a combination of theoretical considerations and rigorous empirical analysis, the significance of aggregate demand for economic performance and the impacts of recessions on output and employment are explored. The findings of the studies support the thesis that a greater emphasis on aggregate demand in economic theory and policy is necessary to obtain a more complete picture of economic dynamics.