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cost-benefit analysis
An evaluation of large scale public projects by comparing the costs and benefits that accrue from them.
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ecological economics
Application of ecological principles and priorites into economic accounting systems.
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externalizing costs
Shifting expenses, monetary or otherwise toe someone other than the individuals or groups who use a resource.
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GPI
An alternative to GPN or GPD for economic accounting that measures the real progress in quality of life and sustainability.
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internalizing costs
Planning so that those who reap the benefts of resource use also bear the external costs.
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marginal cost
The cost to produce one additional unit of a good or service.
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megacity
An urban area with more than ten mil. inhabitants.
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nonrenewable resources
Minerals, fossil fels and other materials present in essentially fixed amounts ( within human time scales) in our environment.
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renewable resources
Resources normally replaced or replenished by natural process, not depleted by moderate use.
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resources
In economic terms, anything with potential use in creating wealth or giving satisfaction.
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smart growth
The efficient use of land resources and existing urban infrastructure.
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steady-state economy
Characterized by low birth and death rates, use of renewable energy sources, recycling of materials and existing urban infrastructure.
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tragedy of the commons
An inexorable process of degradation of communal resources due to selfish self-interest of 'free riders' who use or destroy more than their fair share of common property.
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