Opportunity cost is_________________?

A. the cost incurred in the past before we make a decision about what to do in the future.

B. a cost that cannot be avoided. regardless of what is done in the future

C. that which we forgo, or give up, when we make a choice or a decision.

D. the additional benefit of buying an additional unit of a product

Unemployment means that ?

A. there is excess demand in the labour market

B. there are some people who will not work at the going wage rate.

C. people are not willing to work at the going wage rate.

D. at the going wage rate, there are people who want to work but cannot find work.

Inflation is___________________?

A. a decrease in the overall price level.

B. an increase in the overall price level.

C. an increase in the overall level of economic activity.

D. a decrease in the overall level of economics activity

Aggregate supply is the total amount ?

A. of labor supplied by all households.

B. Produced by the government.

C. of goods and services produced in an economy.

D. of products produced by a given industry.

The public sector includes ?

A. Investors owning companies

B. Government ownership of assets

C. Market forces of supply and demand

D. All trade via barter

A mixed economy ?

A. Has supply but not demand

B. Has demand but not supply

C. Has supply and demand

D. Has market forces and government intervention