| A | B |
| each person or part of the system depends on all other persons or parts. | interdependent |
| movement of economy from one condition to another and back again | business cycle |
| the high point of the business cycle | prosperity |
| a period of decline | recession |
| the lowest point in the business cycle | depression |
| final stage in a business cycle | recovery |
| total dollar valueof all the goods and services produced by an economic system in a year | gross national product |
| period of increased spending that causes rapid rise in prices | inflation |
| measures changes in prices using the price for a given year as the base | price index |
| the amount of goods and services produced per unit of input used | productivity |
| responsibility of helping solve problems in the economy | government |
| name of depression that happened in the 1930's | Great Depression |