Free GLOBAL-ECONOMICS-FOR-MANAGERS Practice Test Questions and Answers (2026)

According to the theory of purchasing power parity (PPP), exchange rates between currencies are in equilibrium when their purchasing power is the same in each of the two countries. If a country experiences an increase in inflation relative to its trading partners, the purchasing power of its currency decreases. Its goods become more expensive for foreigners, reducing demand for its exports and thus its currency. Simultaneously, foreign goods become relatively cheaper for domestic consumers, increasing the supply of the domestic currency on foreign exchange markets. This combination of lower demand and higher supply causes the currency's exchange rate to decrease, or depreciate.

A. Inflation is a primary determinant of long-run exchange rates; a significant change in inflation would not leave the exchange rate the same.

B. An increase in the exchange rate (appreciation) would occur if inflation were lower than in other countries, not higher.

C. While many factors affect exchange rates, the direction of the effect of inflation is well-established in economic theory as negative.

1. Krugman, P. R., Obstfeld, M., & Melitz, M. J. (2018). International Economics: Theory and Policy (11th ed.). Pearson. Chapter 16, "Output and the Exchange Rate in the Short Run," explains how price level changes (inflation) affect the exchange rate.

2. Mishkin, F. S. (2018). The Economics of Money, Banking, and Financial Markets (12th ed.). Pearson. Chapter 18, "The Foreign Exchange Market," discusses the theory of purchasing power parity, which posits that if a country’s price level rises (inflation), its currency should depreciate.

An import tariff is a tax imposed on goods imported into a country. When a government implements a tariff, it collects revenue for each unit of the good that is imported. This revenue is calculated as the tariff amount per unit multiplied by the quantity of imports. Therefore, the imposition of a tariff directly increases the government's revenue, assuming the tariff is not so high that it eliminates all imports.

A. Government revenue increases, not decreases, because the tariff is a tax collected by the government on imported goods.

B. Revenue does not remain unchanged; it increases from zero (or a pre-existing lower tariff level) to a positive amount.

D. Government revenue represents an inflow of funds from the tax; it is a positive value and cannot become negative.

1. Krugman, P. R., Obstfeld, M., & Melitz, M. J. (2018). International Economics: Theory and Policy (11th ed.). Pearson. Chapter 9, "The Instruments of Trade Policy," Section on "Effects of a Tariff."

2. Pugel, T. A. (2016). International Economics (16th ed.). McGraw-Hill Education. Chapter 8, "Analysis of a Tariff," pp. 179-181.

Theocratic law is a legal system based on religious teachings, sacred texts, and interpretations of a deity's will or prophets. Legal statutes and judgments are derived directly from religious dogma. Examples include Islamic law (Sharia), which is based on the Quran and the teachings of the Prophet Muhammad, and Vatican law, which is rooted in Catholic canon law. This system blends legal and religious institutions, with religious leaders often holding significant judicial authority.

B. This describes common law, which originated in England and is characterized by its reliance on precedent.

C. This describes civil law, which is based on comprehensive written statutes and codes.

D. This describes common law, where judicial decisions in past cases (precedents) are binding on future cases.

1. La Porta, R., Lopez-de-Silanes, F., & Shleifer, A. (2008). The Economic Consequences of Legal Origins. Journal of Economic Literature, 46(2), 285–332. Section 2.1 describes the main legal traditions, identifying theocratic law as based on religious texts like the Bible or the Quran. https://doi.org/10.1257/jel.46.2.285

2. Peng, M. W. (2016). Global Business (4th ed.). Cengage Learning. Chapter 2, Section 2-3b, "Types of Legal Systems," explicitly defines theocratic law as "a legal system based on religious teachings" (p. 47).

Michael Porter's Diamond of National Competitive Advantage identifies four key determinants that shape the environment in which local firms compete and can lead to a national advantage in a specific industry. One of these four core elements is "demand conditions." This refers to the nature of domestic demand for the industry's product or service. Sophisticated and demanding home customers pressure companies to innovate, improve quality, and produce high-quality goods, which can then become a source of competitive advantage internationally.

A. Firm opportunity costs are a fundamental concept in microeconomics but are not one of the four specific determinants in Porter's Diamond model.

B. Porter's model emphasizes the importance of domestic related and supporting industries, not foreign supply markets, as a key determinant of national advantage.

D. Trade deficits are a macroeconomic indicator of a country's international trade balance and are not a direct component of Porter's industry-level framework.

1. Porter, M. E. (1990). The Competitive Advantage of Nations. Harvard Business Review, 68(2), 73–93. The article explicitly outlines the four determinants, with "Demand Conditions" being a primary corner of the diamond (p. 78).

2. Hill, C. W. L., & Hult, G. T. M. (2018). International Business: Competing in the Global Marketplace (12th ed.). McGraw-Hill Education. Chapter 6, "International Trade Theory," provides a detailed explanation of Porter's Diamond, identifying "demand conditions" as a key attribute (Section 6.6).

3. Grant, R. M. (1991). Porter's 'Competitive Advantage of Nations': An Assessment. Strategic Management Journal, 12(7), 535-548. https://doi.org/10.1002/smj.4250120706. This academic review analyzes the components of the model, confirming "demand conditions" as a central element.

A key feature of an oligopoly is the strategic interdependence between firms. The outcome for one firm depends not only on its own actions but also on the actions of the other few firms in the market. This situation is often modeled using game theory, and the prisoner's dilemma is a classic game that illustrates the tension between cooperation and self-interest in an oligopoly. Firms could collectively do better by cooperating (colluding), but individual incentives lead them to compete, resulting in a worse outcome for the group.

A. Firms in an oligopoly have significant market power and are price makers, not price takers.

C. Oligopolies are characterized by significant barriers to entry, not free entry.

D. Products in an oligopoly can be either homogeneous (e.g., steel) or differentiated (e.g., cars).

1. Mankiw, N. G. (2021). Principles of Economics (9th ed.). Cengage. Chapter 17-2b, "The Prisoner's Dilemma and the Welfare of Society," explicitly links this game theory concept to the behavior of oligopolies.

2. Pindyck, R. S., & Rubinfeld, D. L. (2018). Microeconomics (9th ed.). Pearson. Chapter 13.2, "The Prisoners' Dilemma," introduces the concept as fundamental to understanding oligopolistic markets.

3. Frank, R. H., & Cartwright, E. (2021). Microeconomics and Behavior (11th ed.). McGraw-Hill. Chapter 11, "Strategic Decision Making," extensively discusses the prisoner's dilemma as a model for oligopoly.

For a home country (the source of the investment), foreign direct investment (FDI) can have several costs. A primary cost is capital outflow, as money is invested abroad rather than domestically, which can negatively affect the home country's balance of payments. Another significant cost is potential job loss. If a company moves its production facilities to a foreign country (offshoring) to take advantage of lower labor costs, the jobs associated with that production are lost in the home country.

B. Reduced standard of living is a potential secondary consequence of widespread job loss but is not a direct, primary cost of an FDI transaction.

C. Cultural disintegration is a potential cost for the host country (the recipient of FDI), not the home country.

E. Loss of sovereignty is a political concern typically raised by the host country, which may fear influence from foreign multinational corporations.

F. Loss of intellectual property is a risk to the specific firm making the investment, not a direct cost to the home country's economy as a whole.

1. Hill, C. W. L., & Hult, G. T. M. (2021). International Business: Competing in the Global Marketplace (13th ed.). McGraw-Hill Education. (Chapter 8, Section 8-4b, "Costs of FDI to the Home Country," explicitly lists balance-of-payments effects from capital outflow and employment effects from offshoring).

2. United Nations Conference on Trade and Development (UNCTAD). (2013). World Investment Report 2013: Global Value Chains. (Chapter IV discusses the employment effects of FDI, noting potential job displacement in home countries).

3. Dunning, J. H., & Lundan, S. M. (2008). Multinational Enterprises and the Global Economy (2nd ed.). Edward Elgar Publishing. (Chapter 10 discusses the impact of MNE activity on the home country, including effects on employment and the balance of payments).

Mercantilism is an economic theory advocating for a positive balance of trade through protectionist policies like tariffs and quotas. Its primary weaknesses are that it creates a distorted, inefficient allocation of resources by forcing a country to produce goods it is not naturally suited to produce, instead of importing them more cheaply. This protectionism and lack of specialization, combined with a focus on accumulating gold rather than enhancing productive capacity, ultimately hinders long-term economic growth and reduces the nation's real wealth and standard of living.

C. The theory emphasizes comparative advantage.

This is incorrect. The theory of comparative advantage, developed by David Ricardo, is a direct critique of and alternative to mercantilism.

D. The theory promotes free trade.

This is incorrect. Mercantilism is the antithesis of free trade; it is fundamentally based on protectionism and government intervention to restrict imports.

E. The theory encourages specialization and productivity growth.

This is incorrect. By promoting self-sufficiency and protecting domestic industries from foreign competition, mercantilism discourages specialization and stifles productivity growth.

1. Krugman, P. R., Obstfeld, M., & Melitz, M. J. (2018). International Economics: Theory and Policy (11th ed.). Pearson. In Chapter 2, the text contrasts mercantilism with modern trade theories, highlighting its "zero-sum" view and how later theories (Smith, Ricardo) showed that trade is a positive-sum game that increases global efficiency and wealth (pp. 12-14).

2. LaHaye, L. (2017). Mercantilism. In The Library of Economics and Liberty. Retrieved from https://www.econlib.org/library/Enc/Mercantilism.html. This source notes, "mercantilists advocated high tariffs... The goal of these policies was to reduce imports and increase exports... Adam Smith refuted the idea that the wealth of a nation is measured by the size of the treasury."

3. MIT OpenCourseWare. (2010). 14.01 Principles of Microeconomics, Fall 2007. Lecture 2: Apply Supply and Demand. The principles discussed show how restricting trade (a mercantilist policy) moves an economy away from an efficient allocation of resources.

The formula represents the total cost (TC) of production. Total cost is the complete monetary expense required to produce a specific quantity of output. It is fundamentally composed of two components: fixed costs (FC), which are costs that do not vary with the level of output (e.g., rent, machinery), and variable costs (VC), which change in direct proportion to the quantity of output produced (e.g., raw materials, labor). Therefore, Total Cost = Fixed Costs + Variable Costs.

A. Average cost: This is the total cost divided by the quantity of output (TC/Q). It represents the per-unit cost, not the sum of cost components.

B. Marginal cost: This is the additional cost incurred from producing one more unit of output (ΔTC/ΔQ), not the total sum of costs.

D. Implicit cost: This is a non-monetary opportunity cost, representing the value of the next-best alternative foregone. It is not part of this explicit cost formula.

1. MIT OpenCourseWare. (2018). 14.01 Principles of Microeconomics, Fall 2018. Lecture 12: Costs. The lecture notes explicitly state the formula: "Total Cost (TC) = Fixed Cost (FC) + Variable Cost (VC)."

2. OpenStax. (2018). Principles of Microeconomics 2e. Rice University. Chapter 7, Section 7.2, "The Structure of Costs in the Short Run," states, "Total cost is the sum of fixed and variable costs."

A primary effect of a tariff is that it generates revenue for the government. A tariff is a tax on imported goods, and the government collects this tax revenue on every unit of the good that enters the country. This is a key reason why governments, particularly in historically developing economies, have used tariffs as a policy tool. The other options describe effects opposite to what tariffs actually cause.

A. Tariffs raise the domestic price of the good, which directly reduces consumer surplus.

B. Tariffs create inefficiencies in consumption and production, resulting in a net welfare loss to society known as deadweight loss.

D. Tariffs are designed to raise the domestic price of an imported good above the world price to protect domestic producers.

1. MIT OpenCourseWare. (2016). 14.54 International Trade, Fall 2016. Lecture Notes, "Lecture 5: Instruments of Trade Policy." Section on "Welfare Analysis of Tariffs." Available at: https://ocw.mit.edu/courses/14-54-international-trade-fall-2016/pages/lecture-notes/

2. Feenstra, R. C. (2015). Advanced International Trade: Theory and Evidence (2nd ed.). Princeton University Press. Chapter 6, "The Instruments of Trade Policy," pp. 187-190.

An indifference curve represents a series of combinations of goods (or bundles) that provide a consumer with the exact same level of satisfaction or utility. By definition, a consumer is indifferent between any two points on the same curve because each point yields an identical level of happiness. The curve itself does not provide information about the affordability or cost of the bundles; that is determined by the consumer's budget constraint. Therefore, if Point A and Point B are on the same indifference curve, the consumer's preference for both bundles is equal.

A. An indifference curve shows preference, not cost. The cost of the bundles is determined by the budget line.

C. If the consumer preferred bundle A, it would have to be on a higher indifference curve than bundle B.

D. An indifference curve does not contain information about the price or cost of the goods.

1. Mankiw, N. G. (2021). Principles of Microeconomics (9th ed.). Cengage Learning.

Chapter 21, "The Theory of Consumer Choice," defines an indifference curve as "a curve that shows consumption bundles that give the consumer the same level of satisfaction" (p. 446).

2. Varian, H. R. (2014). Intermediate Microeconomics: A Modern Approach (9th ed.). W. W. Norton & Company.

Chapter 3, "Preferences," Section 3.1, "Consumer Preferences," explains that all bundles on a single indifference curve are ranked as equally preferred by the consumer.

3. MIT OpenCourseWare. (2018). 14.01 Principles of Microeconomics, Fall 2018. Massachusetts Institute of Technology.

Lecture 6, "Consumer Theory," explicitly states that all points along an indifference curve give the consumer the same level of utility.