But demand for the different types of people is not rehabilitate reflections. Every human society has no shortage of things to do much less different? This is because the Earth's resources are limited and scattered in various countries, inequality, although in the current era is the ability to bring the various resources used more effectively in accordance with technical progress, and various aspects of science.Human society, there are more and more prosperity? Demand for new services and facilities, the more and more expansion only. Resources and thus was born the rare (Scarcity) in the economy from such behaviour, the need to learn the processes for allocation of resources are limited or rare resources, human and social benefit as much as possible.
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