This book has become relevant today than when written in 1966. The concept of surplus production earning a profit, profit maximization constraints and monopoly capitalism gaining traction daily more in today's world of wall street vs. main street.. Public witnesses only slowing dynamics of competition but all the more needed in shifting to a sustainable economy. As a result, a narrative grows whether capitalism can provide a viable platform at all because basis has become co opted by fewer players and general tendency towards oligarchy or worse occurring under guise of capitalism system.