Rational People Make Decisions at the Margin by

question 97

Multiple Choice

Rational people make decisions at the margin by

• A)following marginal traditions.
• B)behaving in a random fashion.
• C)thinking in black-and-white terms.
• D)comparing marginal costs and marginal benefits.

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Definitions:

Monozygotic Twins

Twins who originate from a single fertilized egg, making them genetically identical.

Heritability

The proportion of observed variation in a particular trait, within a population, that can be attributed to inherited genetic factors.

Monozygotic Twins

Identical twins that develop from a single fertilized egg and share 100% of their genetic material, leading to nearly identical physical traits and often similar behavior.

Dizygotic Twins

Twins that are formed from two different eggs fertilized by two different sperm, making them genetically similar to siblings born at different times.