The world economy is constantly evolving.

Studying political economy is fascinating.

The underground economy represents a significant part of economic activity in many countries.

The circular economy promotes the reuse of resources.

Planned economy was widely practiced in communist countries.

The market economy promotes competition and innovation.

In some rural areas, subsistence economy is the main form of economic activity.

The war economy allowed the country to overcome the crisis.

He practices a cheeseparing economy that annoys his colleagues.

I saved money to buy a new car.