22
Lesson 22 of 84 · Trade and Commerce
Digital Trade: E-Commerce
The stock market is where people buy and sell shares of companies. Good company performance tends to raise stock prices; poor performance tends to lower them.
Key Facts
1
Every choice has an opportunity cost.
2
Money is a medium of exchange.
3
Needs are different from wants.
Check Your Understanding
Question 1
1 of 2What happens when demand is high and supply is low?