| A | B |
| Things used in production that are man-made. | capital |
| Whre supply and demand curves intersect. | equilbrium |
| An item used to produce a product or service. | resource |
| Additional cost of each unit of output. | marginal cost |
| When one price is lowered, more of the product is purchased. | law of demand |
| One enterprise provides inputs for another. | complementary |
| Everything in nature used in production. | land |
| One enterprise provides inputs for another. | complementary |
| When price is lowered, less of the product is supplied. | law of supply |
| Two enterprises are independent, but one provides income to the other. | supplementary |
| Where to supply and demand curves intersect. | equilibrium |
| The additional cost of each input. | marginal cost |
| The additional return resulting from each unit of input. | marginal return |
| An enterprise that competes with another. | competitive en |