Word family noun economics economist economy adjective economic economical ≠ uneconomic(al) economy verb economize adverb economically ≠ uneconomically
From Longman Dictionary of Contemporary Englisheconomicsec‧o‧nom‧ics /ˌekəˈnɒmɪks, ˌiː- $ -ˈnɑː-/ ●●○ W3 AWL noun 1 [uncountable]PE the study of the way in which money and goods are produced and used → economic a Harvard professor of economics2 [plural]BB the way in which money influences whether a plan, business etc will work effectively the economics of the scheme → home economicsGRAMMAR: Singular or plural verb?• In meaning 1, economics is followed by a singular verb: Economics is often studied with politics.• In meaning 2, economics is followed by a plural verb: The economics do not add up.Examples from the Corpus
economics• He knows very little about economics or international finance.• He received a master's degree in agricultural economics and a doctorate in economics and marketing from Cornell University.• Whereas the endangered species listing is determined solely upon scientific data, economics play a role in deciding critical habitat.• A knowledge of development economics and the challenges faced by a small, developing country would be an advantage.• Mr Coase asked if this analysis was good economics, and showed that it was not.• Once a week the boys went to shop and the girls to home economics.• In economics, its use is a blend of two ideas, abstraction and pure problem-solving.• Keynes's theories have had an important influence on modern economics.• The reader will soon discover that I think very little of certain of the central ideas of economics.• He studied economics at Harvard University.• However, at present, the economics of using solar-produced electricity to produce hydrogen from water by electrolysis are poor.• The economics of building new subway lines are being studied.From Longman Business Dictionaryeconomicsec‧o‧nom‧ics /ˌekəˈnɒmɪks, ˌiː--ˈnɑː-/ nounECONOMICS1[uncountable] the study of the way in which wealth is produced and usedOur consultants include a professor of economics at Harvard University.2[plural] calculations of whether an activity or business will be profitable or notThe economics of producing oil from coal do not look attractive. → see also macroeconomics, microeconomics 