This book provides a point-by-point comparison of Sraffian and Marxian treatments of prices, profits, technological change, economic crises, environmental sustainability, and the moral case against capitalism, are presented in six core chapters. They explain how the Sraffian treatment surpasses the Marxian treatment in every case. Large professional literatures are thoroughly referenced throughout, with both Marxian and Sraffian theories presented in a highly accessible way. This book is of great importance to those who study Sraffa and Marx, as well as academics and students who are interested in political economy, history of economic thought and economic theory and philosophy.