"Blueprints of Prosperity: Navigating Global Economic Landscapes" serves as a comprehensive exploration of the application and impact of major economic theories in developed nations. This work meticulously examines how countries have leveraged classical, Marxist, Keynesian, Monetarist, and other economic frameworks to shape their policies and respond to various economic challenges. From the foundational principles laid out by Adam Smith to the modern adaptations of New Keynesian and Behavioral Economics, each theory is contextualized within specific national histories, providing a rich tapestry of how economic thought influences practical governance and policy-making. Through detailed case studies and comparative analyses, the book delves into the successes and failures of economic strategies across different contexts such as the United States, the United Kingdom, Germany, Japan, and Scandinavian countries. It discusses the evolution of these theories over time and their relevance in addressing contemporary economic issues like global crises, inequality, and technological disruptions. Each chapter offers an in-depth look at a particular economic school, examining its foundational concepts, historical applications, and the critiques it has faced over time, thus offering readers a nuanced understanding of both the theory and its practical implications. "Blueprints of Prosperity" is an essential resource for scholars, policymakers, and economic enthusiasts interested in the dynamics of economic theory and its role in shaping the global economic landscape. The book not only provides historical insights but also projects future trends and the evolution of economic thought in the face of changing global conditions. With its rigorous analysis and engaging narrative, it stands as a significant contribution to the field of economic literature, offering deep, actionable insights into how developed nations can navigate their economic futures.