Global-Economics-for-Managers Practice Questions

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.

A country's currency value, or exchange rate, is influenced by several macroeconomic factors. A rise in productivity makes a country's goods more competitive internationally, increasing demand for its exports and, consequently, its currency. Similarly, a rise in domestic interest rates attracts foreign capital from investors seeking higher returns. This inflow of capital increases the demand for the domestic currency, causing it to appreciate. Both factors lead to a stronger currency.

C. A fall in productivity weakens a country's competitiveness, reduces export demand, and depreciates the currency.

D. A rise in inflation erodes the purchasing power of a currency, making it less attractive and causing it to depreciate.

E. Political unrest creates uncertainty and risk, leading to capital flight and a depreciation of the currency.

F. A fall in population is not a direct, primary driver of short-term currency value; its effects are complex and long-term.

1. Krugman, P. R., Obstfeld, M., & Melitz, M. J. (2018). International Economics: Theory and Policy (11th ed.). Pearson. Chapter 14, "Exchange Rates and the Foreign Exchange Market: An Asset Approach," explains how interest rates affect currency demand.

2. Feenstra, R. C., & Taylor, A. M. (2017). International Macroeconomics (4th ed.). Worth Publishers. Chapter 10, Section 10-2, discusses how productivity differentials influence long-run exchange rates (the Balassa-Samuelson effect).

3. MIT OpenCourseWare. (2007). 14.54 International Trade, Lecture Notes 19: Exchange Rate Determination. Section 3. Retrieved from https://ocw.mit.edu/courses/14-54-international-trade-fall-2007/resources/lec19/ (This lecture discusses the asset market approach, linking interest rates and exchange rates).

The Federal Reserve (the Fed) acts as a lender of last resort for commercial banks through a mechanism called the "discount window." When a bank borrows from the Fed, the interest rate it is charged is known as the discount rate. This is a key tool of monetary policy. By borrowing directly from the Fed, banks can meet short-term liquidity needs, and the rate they pay is precisely the discount rate set by the Fed's Board of Governors.

A. Fed lending to banks follows an overall uptrend: Fed lending is not a steady trend; it spikes during financial crises when banks need liquidity and is otherwise low.

B. The discount rate is changed annually: The discount rate is changed as needed to implement monetary policy, not on a fixed annual schedule.

C. Banks set consumer interest rates at the discount rate: The discount rate influences banks' costs, but consumer rates are set higher based on market conditions, risk, and profit margins.

1. The Federal Reserve. (n.d.). The Discount Window. Federal Reserve Board. Retrieved from https://www.federalreserve.gov/monetarypolicy/discount-window.htm. The site states, "Depository institutions have, since the beginning of the Federal Reserve System, been able to borrow from the Fed's 'discount window'... The interest rate charged on these loans is the discount rate."

2. Mishkin, F. S. (2018). The Economics of Money, Banking, and Financial Markets (12th ed.). Pearson. Chapter 15, "Tools of Monetary Policy." The text describes discount policy and clarifies that the discount rate is the interest rate the Fed charges banks for discount loans.

Cross-price elasticity of demand measures how the quantity demanded of one good responds to a change in the price of another good. A positive cross-price elasticity indicates that the two goods are substitutes. When the price of one good increases, consumers switch to the other, similar good, thus increasing its quantity demanded. For example, if the price of coffee rises, the demand for tea (a substitute) will increase, resulting in a positive cross-price elasticity.

A. Complements: These have a negative cross-price elasticity because an increase in the price of one good leads to a decrease in the demand for the other.

B. Normal goods: This term relates to income elasticity of demand, not cross-price elasticity. Demand for normal goods increases as consumer income rises.

D. Shortage goods: This is not a standard economic classification related to elasticity. A shortage occurs when quantity demanded exceeds quantity supplied at a given price.

1. Mankiw, N. G. (2021). Principles of Economics (9th ed.). Cengage Learning. Chapter 5, Section 5-2, "The Cross-Price Elasticity of Demand." The text states, "The cross-price elasticity is positive or negative depending on whether the goods are substitutes or complements... Substitutes are goods that are typically used in place of one another... Because the price of hot dogs and the quantity of hamburgers demanded move in the same direction, the cross-price elasticity is positive."

2. Krugman, P., & Wells, R. (2018). Microeconomics (5th ed.). Worth Publishers. Chapter 6, "Elasticity." The section on cross-price elasticity explicitly defines a positive value as indicating substitute goods.

To expand aggregate demand, the Federal Reserve implements expansionary monetary policy. The primary goals are to increase the availability of money and credit and to make borrowing cheaper. The Fed achieves this by increasing the money supply, which it typically does by buying government securities on the open market. This action increases reserves in the banking system, allowing for more lending. A larger money supply puts downward pressure on interest rates, specifically the federal funds rate target. Lower interest rates encourage businesses to invest and consumers to spend, thereby increasing aggregate demand.

A. Increase the foreign exchange rate: This would make domestic goods more expensive for foreigners, reducing exports and thus decreasing aggregate demand.

D. Decrease the money supply: This is a tool of contractionary monetary policy, used to reduce aggregate demand and control inflation.

E. Raise mortgage rates: This is a consequence of contractionary policy and would discourage home buying, reducing aggregate demand.

F. Reduce the quantity of reserves: This is achieved by selling government securities, which is a contractionary action that reduces the money supply.

1. The Federal Reserve. (n.d.). Monetary Policy: What Are Its Goals? How Does It Work? Federal Reserve Board. Retrieved from https://www.federalreserve.gov/monetarypolicy/monetary-policy-what-are-its-goals-how-does-it-work.htm. The document explains that to encourage economic activity, the Fed can lower interest rates and increase the money supply.

2. Mankiw, N. G. (2021). Principles of Economics (9th ed.). Cengage Learning. Chapter 20, "Money Growth and Inflation," and Chapter 21, "The Influence of Monetary and Fiscal Policy on Aggregate Demand." These chapters detail how an increase in the money supply lowers the equilibrium interest rate, stimulating investment and consumption.

Producer surplus is the amount a seller is paid for a good minus the seller's cost of providing it. The cost is the minimum price the seller would be willing to accept. Therefore, producer surplus measures the net benefit or profit that sellers receive from their participation in a market. It is a key concept in welfare economics used to analyze how market conditions and policies affect the economic well-being of producers.

A: Consumer surplus measures the well-being of consumers.

C: Producer surplus is total revenue minus the variable cost of production, not equal to total revenue itself.

D: Social welfare is measured by total surplus, which is the sum of both consumer and producer surplus.

1. Mankiw, N. G. (2021). Principles of Economics (9th ed.). Cengage Learning. Chapter 7, Section 7-2, "Producer Surplus," defines it as "the amount a seller is paid for a good minus the seller’s cost of providing it" and states it measures the benefit to sellers.

2. Pindyck, R. S., & Rubinfeld, D. L. (2018). Microeconomics (9th ed.). Pearson. Chapter 8, Section 8.6, "The Surplus of the Producer," explains that producer surplus is the benefit that producers enjoy by selling at the market price.

The "dodger" strategy is a response for local firms in emerging markets when facing MNEs. It is most appropriate when the industry pressure to globalize is high, making direct competition difficult, and the local firm's competitive assets are customized to the home market, making them non-transferable abroad. In this scenario, the firm cannot effectively compete head-on or expand internationally. Instead, it "dodges" the MNEs by retreating to a protected niche, entering a joint venture, or selling out to the MNE.

A. This scenario of low pressure and transferable assets is best suited for an "extender" strategy, expanding into similar foreign markets.

B. This scenario of high pressure and transferable assets is best suited for a "contender" strategy, competing directly with MNEs.

D. This scenario of low pressure and customized assets is best suited for a "defender" strategy, leveraging local advantages in a protected market.

1. Dawar, N., & Frost, T. (1999). Competing with Giants: Survival Strategies for Local Companies in Emerging Markets. Harvard Business Review, 77(2), 119–129. (The article outlines the 2x2 matrix of strategies).

2. Ghemawat, P. (2007). Redefining Global Strategy: Crossing Borders in a World Where Differences Still Matter. Harvard Business School Press. Chapter 7, which discusses and builds upon the Dawar and Frost framework.

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.

Collusion, where firms coordinate to limit competition and increase profits, is more sustainable under certain industry conditions. These include: 1) A small number of rivals (oligopoly), which makes it easier to reach, monitor, and enforce an agreement. 2) The presence of a price leader, a dominant firm that can set a price that others follow, facilitating tacit collusion without a formal agreement. 3) Homogeneous products, which simplifies competition to a single dimension (price), making it easier to agree on a price and detect cheating.

D. High product differentiation makes collusion difficult because firms compete on many attributes (quality, brand, service), not just price.

E. Perfect information for consumers makes collusion unstable, as consumers can easily identify and switch to a firm that cheats by lowering its price.

F. Free entry and exit undermines collusion, as high profits would attract new firms, increasing supply and driving prices down.

1. Pindyck, R. S., & Rubinfeld, D. L. (2018). Microeconomics (9th ed.). Pearson. Chapter 12, "Monopolistic Competition and Oligopoly," Section 12.5, "Cartels."

2. Tirole, J. (1988). The Theory of Industrial Organization. MIT Press. Chapter 5, "Cartels and Tacit Collusion."

3. MIT OpenCourseWare. (2018). 14.01 Principles of Microeconomics, Fall 2018. Lecture 18: Oligopoly I. Available at: https://ocw.mit.edu/courses/14-01-principles-of-microeconomics-fall-2018/

Price elasticity of demand measures how much the quantity demanded of a good responds to a change in its price. If demand is elastic, it means the percentage change in quantity demanded is greater than the percentage change in price. In simple terms, consumers are highly responsive to price changes; a small change in price leads to a substantial change in the quantity they are willing to buy.

B. For elastic demand, total revenue moves in the opposite direction of a price change. A price increase reduces total revenue.

C. Price and total revenue move in the same direction only when demand is inelastic, not elastic.

D. A slight response in quantity demanded to a price change is the definition of inelastic demand, not elastic demand.

1. Mankiw, N. G. (2021). Principles of Economics (9th ed.). Cengage Learning. Chapter 5, Section 5-1a, "The Price Elasticity of Demand and Its Determinants," defines elastic demand as a situation where the quantity demanded responds substantially to changes in the price.

2. Krugman, P., & Wells, R. (2018). Economics (5th ed.). Worth Publishers. Chapter 6, "Defining and Measuring Elasticity," states that demand is elastic if the price elasticity of demand is greater than 1, indicating a high responsiveness of quantity demanded to price (p. 167).

3. MIT OpenCourseWare. (2018). 14.01 Principles of Microeconomics, Lecture 4: Elasticity. The lecture defines elastic demand as |Ed| > 1, signifying that a 1% change in price leads to a more than 1% change in quantity demanded.