In Discussions of Barriers to Entry, What Is Meant by the Term

question 136

Multiple Choice

In discussions of barriers to entry, what is meant by the term "virtuous cycle"?

• A)A virtuous cycle refers to successful research and development that leads to information that is used to develop other new products.
• B)A virtuous cycle refers to a firm using the profits from a monopoly in one market to establish a monopoly in another market.
• C)A virtuous cycle refers to the situation where the pursuit of self-interest in establishing an entry barrier leads to an increase in social welfare (the "invisible hand").
• D)A virtuous cycle refers to a situation where if a firm can attract enough customers initially, it can attract additional customers because its product's value has been increased by other customers using it, which attracts even more customers.

---

Definitions:

Basilar Membrane

A structure in the cochlea of the ear that plays a key role in the sense of hearing by vibrating in response to sound, thus stimulating hair cells to send nerve impulses to the brain.

Receptor Cells

Specialized cells in the body responsive to particular stimuli like light, sound, or chemicals.

Sound Waves

Vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.

Amplitude

The extent or range of a vibratory movement, measured from the position of equilibrium, commonly used to describe the magnitude of sound waves or other oscillations.