Production Possibility Frontier: is a graph that shows the different quantities of two goods that an economy could efficiently produce with limited productive resources. Points along the curve describe the trade-off between the two goods, that is, the opportunity cost.

Article:http://www.investopedia.com/university/economics/economics2.asp

Summary: The article explains what a production possibilities frontier is and how it is used to collect data. Also the article there is a PPF which represents the point at which an economy is most efficiently producing its goods and services and, therefore, allocating its resources in the best way possible. If the economy is not producing the quantities indicated by the PPF, resources are being managed inefficiently and the production of society will become smaller

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