To monetarists, all assets are close substitutes for one another.

This however doesn't lead to high monopoly profits on any particular titles as close substitutes still remain.

Are other assets a close substitute for money?

Keynesians argue that money and financial assets are relatively close substitutes for each other.

It is thus not a close substitute for financial assets.

Purchases of light trucks, which are considered close substitutes for cars, totaled 112,476, up 25.5 percent.

If no close substitutes are available the substitution of effect will be small and the demand inelastic.

If the goods are close substitutes, competition between them will drive price down near to marginal cost.

The next form is substitute competition, where products that are close substitutes for one another compete.

"It's much easier when you're talking about a drug with 14 close substitutes."