The study of Political Economy, Macroeconomics, and Applied Economics focuses on understanding economic cycles and the management of recurrent crises through theoretical and methodological frameworks of the Austrian School, with a specific focus on Garrison's model of the Macro-economics of capital. The research deepens and systematizes the extensions and applications of the model, making it more sophisticated and useful to illustrate the Austrian theory of the cycle and of capital in specific fields and cases affected by monetary, fiscal, external sector, among other issues.The main objective of the research is to improve the available knowledge on the complex economic phenomena, which can help prevent and better manage economic crises. Additionally, the research aims to encourage dialogue and collaboration between different economic schools, in line with heterodox synthesis, to advance...