externality
121Oligopsony — An oligopsony (from Ancient Greek ὀλίγοι (oligoi) few + ὀψωνία (opsōnia) purchase ) is a market form in which the number of buyers is small while the number of sellers in theory could be large. This typically happens in a market for inputs where… …
122Over-consumption — Energy consumption per capita per country in 2001 …
123Philosophical skepticism — For a general discussion of skepticism, see Skepticism. Philosophical skepticism (from Greek σκέψις skepsis meaning enquiry UK spelling, scepticism) is both a philosophical school of thought and a method that crosses disciplines and cultures.… …
124List of urban studies topics — Urban Studies is the term for a diverse range of disciplines and approaches to the study of all aspects of cities, their suburbs, and other urban areas. This includes urban economics, urban planning, urban architecture, urban ecology, urban… …
125Sustainable agriculture — integrates three main goals: environmental stewardship, farm profitability, and prosperous farming communities. These goals have been defined by a variety of disciplines and may be looked at from the vantage point of the farmer or the… …
126Wastewater — For the lake in Northwestern England, see Wastwater. Public infrastructure …
127Public bad — A public bad, in green economics, is a good that produces socially undesirable results. Examples: * Pollution is the most obvious example. There are less obvious examples. * A public golf course could be seen as a public good insofar as it… …
128Economic equilibrium — Price of market balance: P price Q quantity of good S supply D demand P0 price of market balance A surplus of demand when P<P0 B surplus of supply when P>P0 In economics, economic equilibrium is a state of the world where economic forces… …
