Please Define the Following Key Terms

question 49

Short Answer

Please define the following key terms.
-The ego, the id, and the superego

---

Definitions:

Product-variety Externality

The impact on consumer welfare or market efficiency due to variety in products available, often seen as a positive externality in markets.

Business-stealing Externality

A negative effect where a new entrant in a market draws customers from existing businesses, potentially harming those businesses without creating new value for the market as a whole.

Negative Externality

A cost that affects a party who did not choose to incur that cost, often associated with the production or consumption of a good or service.

Advertising

The activity or profession of promoting products, services, or ideas through various forms of media.