lunes, 4 de octubre de 2010

Resources - What to know about them.

Economic resources 
  • An economic system produces and distributes goods and services by using natural, human and manufactured resources.
  • An economic system consumes goods and services to satisfy people's needs and wants in the most efficient and effective way.
Resources
  • May be known as capital
  • Capital used as it is or to produce goods and services.
  • There are three main types:

    • Natural capital
    • Human capital
    • Manufactured capital
Natural capital and natural income
  • Natural capital includes natural resources that have a value and those that support life.

    • Trees, soil, water, living organisms, ores, etc.
    • Flood and erosion protected by forests, etc.


  • Natural capital can also be processes

    • Photosynthesis
    • Water and gas cycles
Natural capital in economic systems
  • Capital yields income
  • Natural capital yields natural income
  • The World Bank now calculates wealth of countries by including the rate of extraction of natural resources and the ecological damage caused by this. Least developed countries might have a large amount of natural resources and natural capital, but these are exported to more developed countries for manufacture.
  • Sustainability often represents sources of conflict within and between political parties and countries.
Natural income
  • Yield or harvest of services
  • Water cycle provides fresh water
  • Photosynthesis provides oxygen
Resource categories
  • Renewable: Can be replaced continuously as it is used by humans. For example, agriculture products.
  • Non-renewable: Finite amounts of a resource, which are used as a short term solution. They might be replaced by other resource when depleted completely. For example, fossil fuels.
  • Replenishable: Middle ground between renewable and nonrenewable, a resource that can be replaced but at slower rates than renewable resources. For example, groundwater.
  • Recyclable: Resources that have been used and can be processed to be used again in another form. For example, paper glass and plastic.

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