Jeremy Rifkin (born January 26, 1945) is an American economic and social theorist, writer, public speaker, political advisor, and activist. Rifkin is the author of 21 books about the impact of scientific and technological changes on the economy, the workforce, society, and the environment.Click to see full answer. In this way, what is Jeremy Rifkin’s profession? Architect Author Economist Orator Activist Furthermore, what is aggregate efficiency? Aggregate efficiency is the ratio of potential work to the actual useful work that gets embedded into a product or service. The higher the aggregate efficiency of a good or service, the less waste is produced in every single conversion in its journey across the value chain. Secondly, is Jeremy Rifkin a vegetarian? Europe needs to talk about moving down the food chain to feed people more efficiently and beat climate change, says renowned US economist and social theorist Jeremy Rifkin. Rifkin has been a vegetarian since 1977, but he is not calling on the whole world to eschew animal products.What is the third industrial revolution?The Third Industrial Revolution; How Lateral Power is Transforming Energy, the Economy, and the World is a book by Jeremy Rifkin published in 2011. The premise of the book is that fundamental economic change occurs when new communication technologies converge with new energy regimes, mainly, renewable electricity.