8.

What is a country with a strong economy and a high quality of life called?

Developed country

Trade

​Productivity

Tariff

3 answers

A country with a strong economy and a high quality of life is called a developed country.
9.
What is a person or business that makes and sells goods or services called?

Demand

Supply

Consumer

Producer
A person or business that makes and sells goods or services is called a producer.