/ ˌiːkəˈnɒmɪks; ˌekə-; NAmE -ˈnɑːm-/ noun
1.
[ U ] the study of how a society organizes its money, trade and industry :
He studied politics and economics at Yale.
Keynsian / Marxist economics
—see also home economics
2.
[ pl. , U ] the way in which money influences, or is organized within an area of business or society :
The economics of the project are very encouraging.
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WORD ORIGIN
late 16th cent. (denoting the science of household management): from economic + the plural suffix -s , originally on the pattern of Greek ta oikonomika (plural), the name of a treatise by Aristotle. Current senses date from the late 18th cent.