Contents: 1. Micro Economics. 2. Macro Economics. 3. Production Economics and Farm Management. 4. Agricultural Marketing and Price Analysis. 5. Agricultural Finance and Project Management. 6. Developmental Economics and Policies. 7. Econometrics. 8. Operations Research and Research Methods. 9. Natural Resource and Environmental Economics. 10. Agribusiness Management. The foremost objective of this book is to help the students of B.Sc., M.Sc. for JRF, SRF, ICAR NET, UGC NET, ARS, other competitive examination related to subject to quickly grasp the facts comprehensively. Present book is a collection and compilation work from various sources and has been endeavoured to include as much information as could be possible. It is realized that the coverage of material in this book is likely to be far from complete as the information available in the Agricultural Economics is enormous. In present book, we have covered multiple choice questions, contributions of economists, glossary of each sub subject of economics and abbreviations to success with limited time in various competitive examinations.