Whether or Not an Instance of One Entity Class Must

question 41

Multiple Choice

Whether or not an instance of one entity class must participate in a relationship with another entity class is indicated by the ________.

• A) degree
• B) recursive cardinality
• C) minimum cardinality
• D) maximum cardinality
• E) ordinality

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Definitions:

Public Goods

Goods that are non-excludable and non-rivalrous, meaning individuals cannot be effectively excluded from use, and use by one person does not reduce availability to others.

Externalities

Economic side effects or consequences that affect uninvolved third parties; can be either positive or negative.

Social Costs

The total cost of an action or decision, including both private costs and any externalities borne by society at large.

Positive Externality

Positive Externality occurs when a transaction or activity benefits a third party not directly involved, like the societal benefit of education or vaccinations.