Used both for an economy as a social or national system and, in context, for the academic subject of economics.
The Japanese economy is gradually recovering.
I study economics at university.
finances; financial circumstances
Refers to a person, family, organization, or household's financial situation; often overlaps in practice with 家計 for household finances.
Our family's finances are not very comfortable right now.
He supports the household financially.
A more formal or limited noun use meaning economical use or saving of resources; 節約 is usually the plainer everyday word for deliberate thrift.
Printing on both sides saves paper.
This country's economy is developing rapidly.
With more children, the family's finances became tight.
They are trying to turn the economy around with new policies.
High medical costs are straining the household finances.
He knows a lot about economics, so I often consult him.
経済 refers to the economy or economic activity itself, while 経済学 is the academic discipline that studies it.
economic crisis
economic conditions; financial situation
uneconomical; wasteful