经济学中 稀缺 选择和机会成本 三者间的关系

稀缺性是指在获得人们所需要的资源方面所存在的局限性，即资源的供给相对需求在数量上的不足。
稀缺资源就是具有稀缺性的资源
机会成本是指在面临多方案择一决策时，被舍弃的选项中的最高价值者是本次决策的机会成本。
　　机会成本又称为择一成本、替代性成本。机会成本对商业公司来说，可以是利用一定的时间或资源生产一种商品时，而失去的利用这些资源生产其他最佳替代品的机会就是机会成本。

Section I of scarcity and choice
(A) scarcity and economic problems of scarcity of resources in the production of the meaning of the relative scarcity of limited resources and economic problems due to the scarcity of resources exist, it must consider how to make use of the limited production of the relative scarcity of resources to meet the infinite diversity . This is the so-called "economic issues." Production resources or factors of production, including the main ingredients in the production of economic and social resources is also called the factors of production, including: capital (the price of interest), land (the price of rent), work (for the price of their wages).
Western Economics study Western economics and the community on how to make the ultimate choice in the use or non-use of currencies of the world can use it for other uses of scarce productive resources, now or in the future to the production of products, and product distribution To various members of the community for consumption. Improve its analysis of the allocation of resources in the form of possible costs and potential earnings.
(B) the possibility of the production curve of production possibilities curve meaning that the established resources can produce goods under the best combination of yield and production is the possibility of production lines and curves of the possibility of scarce resources of the relationship between the production possibility curve Reflects the characteristics of resource scarcity.
(C) the opportunity cost of options and choose the causes of the scarce resources of the community have to make a choice
When the concept of opportunity cost of the multi-purpose so that the scarce resources of the main needs of economic choice, would choose to bring the cost of choosing the cost of what we call opportunity cost, the resources must be used to produce a product to give up when the other The number of products is the opportunity cost, which is to make a decision when to give up the best alternative use.
To solve economic problems and the opportunity cost of the relationship between economic problems have been reduced to make choices on how to achieve the lowest cost.

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参考资料：http://hi.baidu.com/%D0%EC%BC%CEjacob/blog/item/781c0e2b6179e73e5343c11e.html

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