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| | Economics - The Encyclopedia (Site not responding. Last check: 2007-11-03) |
 | | Economics can also be divided into numerous subdisciplines including: international economics, development economics, labor economics, environmental economics, industrial organization, public finance, economic psychology, economic sociology, institutional economics and economic geography. |
 | | Economic history is the study of economic change, and of economic phenomena in the past. |
 | | In mainstream market economics, where there are significant scarcities not factored into price, there is said to be an externalization, which is a cost or benefit to actors other than the buyer and seller, of which many examples exist, including pollution (a cost to others) and education (a benefit to others). |
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