69
Lesson 69 of 84 · Economics
Saving and Spending Wisely
Money makes trading easier. Before money, people bartered directly. Coins and paper money were invented to make transactions simpler and more consistent.
Key Facts
1
Money is a medium of exchange.
2
Needs are different from wants.
3
Supply and demand affect prices.
Check Your Understanding
Question 1
1 of 2What is trade?