This comprehensive textbook deals with multidimensional aspects of macroeconomics through lucid presentation of concepts and critical comparison of different schools of thought.The book explains how the incomes of a country, prices of goods and services, level of employment, interest rates and so on are determined and how an economy progresses. It attempts to re-establish the existing theories behind the determination of macro variables and the growth process of an economy. In the process, it captures the significance of the debate between the classical orthodox theories and Keynesian modernism and its implications.Besides, adhering to traditional aspects, the volume also focuses on recent developments such as green macroeconomics. Undergraduate and postgraduate students of economics and business economics will find this book immensely helpful.