Economics is a subject that the allocation of the available resources to use in the choice. To make the most satisfaction due to natural resources are limited, while the needs of humans have unlimited
.Resource economics as a factor of production that cause the production of goods and services, including land, labor, capital and entrepreneurs
.Demand (Demand) means the demand for goods or services either type of consumers at any one time
.Supply (Supply) demand for sale at any price, price level, one in a certain time. The other things constant.
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