Public Goods Are NOT Sold in Efficient Quantities in the Private

question 118

Multiple Choice

Public goods are NOT sold in efficient quantities in the private marketplace because:

• A)once supplied to a buyer,they can be made available at no cost to someone else.
• B)the more one person has,the less another person has.
• C)they are usually so costly that only the wealthy can afford them.
• D)they are usually very poor-quality goods.

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Definitions:

Selection Differential

A measure of the difference between the mean phenotype of the selected parents and the mean phenotype of the general population.

Narrow Sense Heritability

A measure of how much of the variance in a trait among individuals in a population is due to additive genetic factors.

Neck Length

A physical trait referring to the distance from the base of an animal's skull to its shoulders, significant in studies of natural selection and adaptation.

Evolutionary Change

A change in the genetic composition of a population over successive generations, leading to the development of new species or variation within species.