Theoretical approaches to economic growth and development : an interdisciplinary perspective This book provides the theoretical and analytical background critical to understand the process of economic development and growth at the beginning of the 21st century. This book adopts an interdisciplinary approach using concepts borrowed from related disciplines such as politics anthropology psychology business and more. The core theme of this book is the argument that different theoretical approaches constitute excellent creative contributions the study of which is necessary for a complete understanding of development and growth. Thus this book stands out for its theoretical pluralistic character. The first part of the book provides an introduction to essential methodology terms for the theory of economic development and growth while the second part outlines important concepts of economic behavior. Part three focuses on the sources of economic growth and their evolution throughout history and pays special attention to the main theories related to economic growth as well as to the growth and development implications of Covid 19. The book ends with an analysis of international financial architecture and the consolidated financial transaction framework. 1. The Methodological Puzzle 2. Introduction to General and Integrated Development and Growth 3. Economic Action Cultural Background and Institutions 4. Complex Economic Systems Information and Forms of Capitalism 5. Politics and Governance 6. Uncertainty 7. Expectations 8. Entrepreneurship 9. Evolution of Economy and Economic Thought 10. The Sources of Growth from the Birth of Economics to the Rise of the New Era 11. The Sources of Growth from the Beginning of Economics to the Emergence of the New Era: Equilibrium Evolutionary Development Schumpeter and Keynes 12. Neoclassical Synthesis and Keynesian Development 13. Solowian Growth and AK Models 14. International Trade Relations Optimum Currency Areas Externalities and Public Choice 15. The Era of Low Growth and High Inflation: Contemporary International Trade Theories New Classics New Keynesian Human Capital Contractization Theories and Behavioral Economics Under Uncertainty 16. The Great Moderation Real Business Cycles and Dynamic General Equilibrium Models 17. Endogenous Growth Convergence and Evolutionism 18. The Macroeconomic and Development Debate after the Great Recession: The European Crisis Deleveraging and Secular Stagnation 19. The Macroeconomic and Development Debate after the Great Recession: Fiscal Space Multipliers and GDP Debt Supercycle and Supply Side Economics 20. Growth and Development Implications of Covid 19 21. International Financial Architecture 22. Central Banks Reserve Currencies International Chains and International Interactions.