Use the Following to Answer Questions

question 69

Multiple Choice

Use the following to answer questions :
Figure: City with Two Polluters
-Which example illustrates a policy solution to inefficiency in the free market caused by the stated externality?

• A) The city government imposes rent control.The externality is that housing's quantity demanded exceeds the quantity supplied at the current price.
• B) The provincial government imposes a minimum wage.The externality is that firms pay too little to their workers.
• C) The government offers free childhood immunizations.The externality is that an immunized child cannot transmit disease to others.
• D) The federal government provides national defence.The externality is that people can't be excluded from national defence,even if they don't pay for it.

---

Definitions:

Phenotypic Expression

The observable physical or physiological traits of an organism, which result from the interaction of its genotype with the environment.

Genetic Drift

A mechanism of evolution that involves random changes in the frequency of alleles within a population over time, not necessarily driven by natural selection.

Allele Frequencies

The proportionate occurrence of alleles within a population's gene pool, indicating genetic diversity and evolution trends.

Allele Frequency

The proportion of all copies of a particular gene in a population that are of a given allele variety.