Ecological economics, also known as bioeconomics of Georgescu-Roegen, ecolonomy, or eco-economics, is both a transdisciplinary and an interdisciplinary field of academic research addressing the interdependence and coevolution of human economies and natural ecosystems, both intertemporally and spatially. By treating the economy as a subsystem of Earth's larger ecosystem, and by emphasizing the preservation of natural capital, the field of ecological economics is differentiated from environmental economics, which is the mainstream economic analysis of the environment. One survey of German eco...
John Gray (1799 – 1883) was a British newspaper proprietor and economist. His first published work, A Lecture on Human Happiness, was broadly supportive of the ideas of Robert Owen, although he would later criticise Owen's communitarianism. Gray's critique of laissez-faire capitalism is usually associated with the school of Ricardian socialism and he was one of the earliest writers to advocate a centrally-planned economy.
Endogenous growth theory holds that economic growth is primarily the result of endogenous and not external forces. Endogenous growth theory holds that investment in human capital, innovation, and knowledge are significant contributors to economic growth. The theory also focuses on positive externalities and spillover effects of a knowledge-based economy which will lead to economic development. The endogenous growth theory primarily holds that the long run growth rate of an economy depends on policy measures. For example, subsidies for research and development or education increase the growt...