What is it called when people want more than they can have?

What do we call items that can be bought, sold, or traded?

What do we call tasks that we pay someone to do for us?

What do we call the system in which goods and services are bought and sold?

Which is an example of goods?

Which is an example of a service?

What do we call the place that brings buyers and sellers together?

What do all economies have to have?

We can choose what to buy because we have what?