| A | B |
|---|
| opportunity cost | what is given up (money or time) when we purchase a good or service |
| supply | the amount of goods and services available for sale |
| demand | the amount of goods and services that people are willing and able to buy |
| economist | one who studies the economy |
| determinant | factors that will effect supply or demand |
| complement | a good or service that may be purchased along with another |
| substitute | a good or service that is bought instead, easily replacing it |
| production | the making of something |
