Final answer:
The national government affects real estate values through property taxes, zoning laws, and broader economic policies. All these factors combined have a significant impact on the value of real estate. Thus, the correct option is D.
Step-by-step explanation:
The national government can have a significant impact on the value of real estate through various means.
This includes property taxes, which are typically collected by municipal governments based on the value of real estate.
Another way the government influences real estate values is through zoning laws, which regulate the use and development of property.
Lastly, broader economic policies, including decisions that affect levels of employment, output, and prices, can have a ripple effect on the value of real estate.
Therefore, the correct answer to the student's question is d) All of the above.