Without knowledge of 'Macro Economics' one cannot take right decision at right time. This book is outstanding contribution by J M Keynes to Economics.
Concepts like Aggregate Demand, Aggregate Supply, Effective Demand, Marginal Propensity to Consume, Marginal Propensity to Save, Marginal Efficiency of Capital, Concept of Multiplayer are very useful to all the individuals, business entities, Government, etc. and also relevant for ever. Don't underestimate the knowledge, and contribution of J M Keynes to the world. If you want good understanding of the book, kindly go through the history of economic thought which reveals that what an intellectual work done by J M Keynes..
