Question 73

The circular-flow model illustrates how households supply factors of production and firms provide goods and services.

This model effectively represents the economic interactions between households and firms, where households offer labor and resources while firms produce goods and services in return.

A) Circular-flow model

This option is correct as the circular-flow model visually and conceptually depicts the flow of resources and goods in an economy. Households are shown supplying factors of production, such as labor, while firms use these factors to produce goods and services, thereby creating a continuous loop of economic activity.

B) Crowding-out effect

This option is incorrect because the crowding-out effect refers to a situation in which increased government spending leads to a reduction in private sector spending. It does not illustrate the dynamics of households supplying factors of production or firms providing goods and services.

C) Comparative-advantage theory

This option is also incorrect. Comparative-advantage theory explains how individuals, firms, or nations can gain from trade by specializing in the production of goods for which they have a lower opportunity cost. It does not depict the household-firm interactions regarding the supply of factors and goods.

D) Production-possibilities curve

This option is incorrect as well. The production-possibilities curve represents the maximum output combinations of two goods that an economy can achieve given its resources and technology. It does not illustrate how households supply factors of production or how firms supply goods and services.

Conclusion

The circular-flow model is the definitive answer because it encapsulates the continuous exchange between households and firms, clearly showing how resources are supplied by households and how firms utilize these resources to produce goods and services. All other options fail to represent this essential economic interaction.