The book "Key Concepts in Economics" highlights the key terms related with economics. The text material of the book has been structured and presented briefly in simple language and supported with appropriate figures. This book includes more than 650 important concepts of microeconomics, macro economics, production economics, behavioural economics, international trade, financial management, marketing, business management. Importantly the book helps reader to learn concepts and theories and can relate it to practice. This book is helpful for the UG, PG students, research scholars and faculties to acquaint with the key concepts in economics.