A succinct introduction to the theoretical debate on economic development and stagnation. In this book, André Nassif examines the complexity of economic theory, shaped by the interactions of diverse agents—firms, households, governments, and banks—across various markets. Despite its abstract nature, economic theories can be made accessible through careful explanation. Development and Stagnation covers the main theoretical foundations of economic development and incorporates key contributions from Latin America. Overall, the book offers a comprehensive overview of contemporary debates that critically engages with these theories while maintaining academic rigor.