Final Case Study ECO10001, Assignments of Economics

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Case Study No. 1: Microeconomics (10 marks)

1. What market structure would best describe the lettuce farming industry in Australia? Clearly explain why. Monopolistic competition is the market structure that best fits the lettuce-growing business in Australia, according to the case study. Monopolistic competition is distinguished by the large number of firms functioning in the market, each of which produces slightly differentiated items. In this scenario, Australia has over 2,000 lettuce farms, showing a sizable number of farmers. Furthermore, the argument indicates that the majority of lettuce supply originates from Queensland (QLD) and New South Wales (NSW), implying that these regions have several farms. Additionally, the monopolistic competition allows for product differentiation, which means that companies may distinguish their lettuce goods by aspects like quality, branding, packaging, and other unique selling points. Furthermore, the case states that Ben Barn Ltd, Ben F's lettuce farming firm in Tasmania, was not affected by the flood tragedy that struck farms in Queensland and New South Wales. This means that the industry does not have a single dominant player or monopoly. In monopolistic competition, firms have some degree of control over the price they charge for their products. They do, however, face competition from other companies that offer similar products. In this instance, Ben Barn Ltd and other lettuce farms would have some price control over their lettuce, but they would also face market competition from other lettuce producers. As a result of the presence of numerous farms, the possibility of product differentiation, and the absence of a single dominant player or monopoly, the lettuce farming industry in Australia can best be described as a monopolistic competition market structure based on the information provided in the case study.

3. Clearly explain how the flood events in QLD and NSW would impact the business of Ben Barn Ltd, in terms of its demand, price, quantity and economic profit. Note: For each factor above, you must spell out how it is changing (i.e., increase, decrease or unchanged) AND you have to explain the reason(s) behind the change. Flooding in Queensland (QLD) and New South Wales (NSW) would have a significant impact on Ben Barn Ltd.’s operations. List of components of the business and how it might be affected: I. Demand: Many farmers in Queensland and New South Wales lost lettuce crops as a result of the floods. As a result, the market's overall supply of lettuce diminishes. With few options, buyers would look for alternate sources of lettuce, including providers from distant states like as Tasmania. Ben Barn Ltd, which is located in Tasmania and is not affected by the floods, would see a rise in demand for its lettuce goods. Consumers who previously purchased lettuce from farmers in Queensland and New South Wales would now resort to Ben Barn Ltd to meet their demands. The scarcity of lettuce in the market would fuel this surge in demand, as shoppers sought other viable alternatives. II. Price: Due to the flood calamity, there will be less lettuce available, putting increased pressure on lettuce prices. Reduced availability of lettuce from QLD and NSW farms would enhance buyer rivalry for the restricted supply. Ben Barn Ltd, as one of the few unaffected providers, would have the benefit of selling lettuce in a market with high demand and limited supply. As a result, Ben Barn Ltd can take advantage of the circumstance and raise its lettuce prices. Because of the increased demand and scarcity of lettuce, the price per unit would rise, allowing Ben Barn Ltd to receive more cash per sale. III. Quantity: Because Ben Barn Ltd was not affected by the floods, it may continue lettuce manufacturing as usual. With rising demand and higher prices, the company would have an incentive to increase lettuce output in order to fulfill market demand. Ben Barn Ltd would increase its lettuce supply to take advantage of the good market conditions. To enhance its lettuce production capacity, the company may devote extra resources such as land, labor, and capital. Ben Barn Ltd would be able to meet increased demand and gain a greater market share as a result of this growth. IV. Economic Profit: The combination of greater demand, higher prices, and increased quantity supplied would contribute to Ben Barn Ltd.’s economic profit. Higher lettuce pricing per unit, driven by scarcity as a result of the flood occurrences, would result in increased income for the firm. At the same time, increased supply would necessitate extra costs, such as recruiting additional workers or investing in equipment and infrastructure (Inelastic Supply). However, the increased revenue would outweigh the additional costs, resulting in an overall increase in Ben Barn Ltd.’s economic profit.

Thus, the flood occurrences in Queensland and New South Wales would benefit Ben Barn Ltd.’s operations. Increased demand for Ben Barn Ltd.’s lettuce products would result from a decrease in supply from the impacted regions. Because of the increased demand and restricted supply, the company would be able to charge higher pricing. Ben Barn Ltd can fulfill the increased demand and expand the amount supplied because it was undamaged by the floods, improving its economic profit. This situation provides Ben Barn Ltd with a chance to capitalize on market conditions and strengthen its position in the lettuce farming business.

4. **Draw an appropriate firm diagram to illustrate the impact of the shock above (i.e., disastrous floods destroying crops in QLD and NSW) on the business of Ben Barn Ltd. (2 marks)
5. Speaking to ABC Australia, Ben F, the owner of Ben Barn Ltd, said the following: “In a normal season, I would average $20 per box of lettuce. This year, I was able to fetch $40 for the same box. However, things are not all rosy. My business had to battle surging costs caused by the war in Ukraine and COVID, which ate away much of the extra revenue.” Do some research and explain how the war in Ukraine and COVID caused soaring costs for an average lettuce farm in Australia.**

contributed to lettuce farm costs skyrocketing. Despite the higher rates Ben Barn Ltd was able to obtain for its lettuce, cost increases ate into the extra revenue, making it difficult for the company to fully benefit from the improving market conditions. The impact of these factors demonstrates the interconnection of global events and their impact on the microeconomic dynamics of individual firms, such as lettuce farms. Case Study No. 2: Microeconomics

1. Construct a payoff matrix for this game based on the information provided above. In the Payoff Matrix: The first value in each cell represents the payoff for Woolworths. The second value in each cell represents the payoff for IGA. 2. Does IGA have a dominant strategy in this game? If yes, what is the dominant strategy for IGA? Clearly explain why it is the dominant strategy. To see if IGA has a dominant strategy in this game, we must assess its payoffs for each price plan, regardless of Woolworths' preference. A dominant strategy is one that produces the maximum payout for a player regardless of what other players perform. The payoffs for IGA under different pricing schemes in the given scenario are as follows:

• If Woolworths charges a high price and IGA charges a high price: IGA earns $42,000.
• If Woolworths charges a high price and IGA charges a low price: IGA earns $37,000.
• If Woolworths charges a low price and IGA charges a low price: IGA earns $31,000.
• If Woolworths charges a low price and IGA charges a high price: IGA earns $12,000. We can see from the above-mentioned payoffs that, regardless of Woolworths' choice, IGA's payoff is largest when it charges a high price. As a result, IGA's dominant strategy in this game is to demand a premium ($7 for each pack). When examining the alternative results, IGA's dominant strategy is justified. If IGA charges a low price but Woolworths charges a high price, IGA makes $37,000 instead of $42,000 if it charges a high price. Similarly, if IGA charges a low price and Woolworths charges a low price as well, IGA receives $31,000, which is less than the $42,000 it would earn if it charged a high price. Finally, if IGA charges a high price while Woolworths charges a cheap price, the payout for IGA is much smaller at $12,000. A dominant approach is desirable because it allows a player to maximize the payoff regardless of other players' actions. In this situation, despite whether Woolworths charges a high or low price, IGA's dominant strategy of demanding a high price provides the largest possible payout for IGA. It gives IGA a competitive advantage in the "Tim Tam: Vegemite Blast" duopoly market. As a result, by charging a high price, IGA secures the biggest potential return regardless of Woolworths' strategy, establishing it as IGA's dominating strategy in this duopoly game. 3. What is the Nash equilibrium for this game? Clearly explain. To determine the Nash equilibrium, we must identify the combination of strategies in which neither actor can increase their payoff by altering their strategy unilaterally. When we look at the payoffs, we observe that in the first scenario, if Woolworths charges a high price, IGA's optimal reaction is to charge a low price, which results in a bigger payoff for IGA ($37,000 vs. $42,000). Similarly, if Woolworths demands a low price, IGA's best reaction remains a low price ($31,000 against $12,000). Regardless of IGA's method, charging a low price delivers a bigger payback ($78,000 or $86,000) than charging a high price ($69,000 or $36,000) for Woolworths. We can determine from the above remarks that the Nash equilibrium for this game is where Woolworths charges a low price and IGA charges a low price. Given the opposing player's plan, both players have chosen the strategy that maximizes their individual payoffs. Each player's payout would be reduced if they deviated from this equilibrium.

information on the firms' desires, views, and the particular mechanism by which prices are altered, determining the precise outcome is challenging. However, considering the potential profitability of the "Tim Tam: Vegemite Blast" product and the competition between Woolworths and IGA, price options are likely to be carefully considered over time. They may engage in strategic pricing in order to increase their market share and profitability. In a repeating game, the corporations can observe one other's previous acts and adapt their plans accordingly. If individuals see that a specific method consistently produces larger payoffs, they are more inclined to embrace and stick with that strategy in succeeding periods. As a result, over time, a stable equilibrium may evolve in which both enterprises settle on a precise pricing pattern that maximizes their profits. The corporations' strategic exchanges, their ability to predict one other's activities, and the market dynamics surrounding the "Tim Tam: Vegemite Blast" product will impact the conclusion of the repeating game. It is difficult to predict the exact outcome without specific knowledge about the firms' plans and preferences. Case Study No. 3: Macroeconomics (10 marks)

1. What are the reasons behind the inflation rate running rampant during the first half of 2022? While there is a raft of factors at work, you only need to identify TWO (2). Explain clearly in words how the TWO (2) factors of your choice cause the current inflation rate to hit a historic high. Supply Chain Disruptions: The COVID-19 pandemic disrupted worldwide supply lines, resulting in substantial inflationary pressures. Lockdowns, travel restrictions, and temporary closures of enterprises and factories all had a significant impact on production and distribution systems. These interruptions had several major consequences that contributed to the high inflation rate: I. Reduced Production Capacity: Manufacturing plants experienced difficulties acquiring inputs and components, resulting in decreased production capacity. As a result, the supply of goods fell short of the demand, putting upward pressure on pricing. Reduced production capacity also resulted in greater production costs, such as higher labor costs for adopting safety precautions and lower efficiency due to social distancing norms.

II. Delayed Deliveries and Increased Shipping Costs: Transportation interruptions, such as port closures and limited freight capacity, caused delays in raw material and completed goods delivery. As a result, there were bottlenecks and shortages in a variety of industries, including manufacturing and retail. increasing shipping expenses as a result of lower capacity and increasing demand for freight services were passed on to customers as higher prices. III. Logistical Challenges in Agriculture: As a result of the epidemic, the agriculture industry faced considerable challenges. Crop production and harvesting were hampered by labor shortages caused by travel restrictions and social separation measures. As a result of decreasing supply and rising expenses in the agriculture industry, prices for products such as cereals, vegetables, and meats have risen. IV. Rise in the need for medical supplies and personal protective equipment (PPE): The increased demand for medical supplies and personal protective equipment (PPE) such as masks, gloves, and sanitizers resulted in supply shortages and price rises. Consumers endured the most of the increasing production costs for these basic commodities, contributing to total inflation. The Surge in Energy Prices: The surge in energy prices during the first half of 2022 also contributed significantly to the increase in inflation. Several reasons influenced the rise in energy prices: I. Global Economic Recovery and Increased Demand: As economies reopened and economic activity resumed, energy consumption increased. Price increases were caused by increased demand for energy, notably in industries such as manufacturing, transportation, and construction. The comeback in industrial production and transportation services, along with rising consumer spending, increased overall energy consumption. II. Supply-Side Elements: Oil supplies were disrupted due to geopolitical tensions and production limits in several oil-producing countries, resulting in increased prices. Conflicts and instability in key oil-producing regions, such as the Middle East, might, for example, impede oil production and supply. Extreme weather events, such as storms, hurricanes, and cold snaps, can also impair energy infrastructure, resulting in supply shortages and price rises, notably in the natural gas market. III. Higher Production costs: Rising energy prices have a direct influence on corporate production and transportation expenses. Manufacturing, transportation, and heating/cooling services, all of which use a lot of energy, have all seen considerable cost increases. Greater energy costs resulted in greater costs for

central bank can successfully reduce surplus demand and mitigate inflationary pressures by pursuing a contractionary monetary policy. II. Anchoring Inflation Expectations: High and persistent inflation might cause people and companies to raise their inflation expectations. When inflation expectations become incorporated into economic decision-making, it can exacerbate inflationary pressures by causing people to modify their behavior in response to anticipated future price increases. The central bank can communicate its commitment to price stability and anchor inflation expectations by implementing a contractionary monetary policy, preventing a self-perpetuating cycle of inflation. III. Restoring Price Stability: Price stability is an important feature of a well- functioning economy because it creates an atmosphere favorable to long-term economic growth and investment. Inflationary pressures erode purchasing power, lower the value of money, and create uncertainty, making it difficult for firms and families to prepare for and make long-term economic decisions. The contractionary monetary policy seeks to restore price stability by lowering inflation to more reasonable levels, thereby promoting economic stability and trust. IV. Preserving Central Bank Credibility: Central banks are critical to economic stability and confidence. When inflation rises high, the central bank's credibility and reputation suffer. The central bank demonstrates its commitment to its task of price stability and increases its credibility among market participants and the public by conducting a contractionary monetary policy to combat inflation. V. Correcting Imbalances: High inflation is frequently an indicator of underlying economic imbalances. These imbalances can include excess aggregate demand, supply-side restrictions, or sectoral distortions. Contractionary monetary policy can aid in the correction of these imbalances by reducing demand pressures, encouraging more efficient resource allocation, and addressing structural concerns that may be contributing to inflationary pressures. VI. Contributing to Long-Term Sustainable Growth: While a contractionary monetary policy may cause a short-term economic slowdown, it can help to promote long- term sustainable growth. Businesses and consumers may make more informed economic decisions, allocate resources more efficiently, and plan for the future if inflation is kept under control and price stability is restored. This can foster a climate conducive to investment, productivity growth, and long-term economic prosperity.

It is vital to stress that the decision of monetary policy should be based on a detailed assessment of overall economic conditions, including other aspects such as labor market conditions, fiscal policy initiatives, and financial system stability. Finally, the current economic condition in 2022, which is characterized by historically high inflation, necessitates a contractionary monetary policy. A contractionary monetary policy can give the essential tools to manage inflationary pressures and maintain long- term sustainable growth by taking steps to reduce excess demand, control inflation, restore price stability, and retain central bank credibility.

3. Describe in detail the steps the RBA (Reserve Bank of Australia) must undertake to implement the monetary policy suggested in part (2) above. (2 marks) The Reserve Bank of Australia (RBA) would need to take numerous steps to implement the contractionary monetary policy proposed in item (2) above. These stages include a variety of policy tools and actions targeted at slowing the expansion of the money supply, containing inflation, and restoring price stability. The following are the essential actions that the RBA may take: I. Changing the Official Cash Rate (OCR): The RBA can utilize the OCR to impact interest rates in the economy. The RBA would raise the OCR to execute a contractionary monetary policy. Raising interest rates would increase borrowing costs for firms and individuals, causing a drop in spending and investment, lowering aggregate demand, and containing inflationary pressures. II. Open Market Operations (OMOs): OMOs are conducted by the RBA in order to regulate the supply of money in the financial system. In a contractionary policy stance, the RBA would participate in open market sales of government securities such as bonds. The RBA limits the amount of money accessible in the banking system by selling these securities, resulting in tighter liquidity conditions and less credit available for lending. As a result, spending and inflationary pressures are reduced. III. Reserve Requirement Adjustments: The RBA can also change commercial banks' reserve requirements. Banks would be compelled to maintain a bigger portion of their deposits as reserves if the reserve ratio were raised, reducing the amount of money available for lending. This reduces the overall money supply, causing credit to fall and inflationary pressures to relax. IV. Communication and Forward Guidance: The RBA is critical in setting market participants' expectations and influencing their conduct. To conduct the proposed monetary policy, the RBA would clearly convey its goals and give forward information on its policy stance. This guidance could include statements showing the central bank's commitment to price stability, its assessment of the current

4. Clearly explain how the monetary policy suggested in part (2) above would affect the Australian economy. Hint: Explain the impacts on Aggregate Demand (AD), Short-run Aggregate Supply (SRAS), and Long-run Aggregate Supply (LRAS). Implementing the contractionary monetary policy proposed in part (2) would have a major impact on the Australian economy, namely on aggregate demand (AD), short-run aggregate supply (SRAS), and long-run aggregate supply (LRAS). Let us take a closer look at these effects: I. Aggregate Demand (AD): The goal of contractionary monetary policy is to reduce aggregate demand to keep inflation under control. It accomplishes this through tightening monetary conditions, notably by raising interest rates. The following are the consequences of Alzheimer's disease: a. Consumption: Higher interest rates discourage borrowing and raise household borrowing costs. As a result, discretionary income and consumer expenditure are reduced. As a result, consumption expenditures fall, and the overall amount of AD falls. b. Investment: Rising interest rates make corporate borrowing more expensive, discouraging investment. Companies may postpone or cancel investment initiatives, resulting in fewer investment expenditures. These drops in investment correlate to a reduction in AD. c. Net Exports: Higher interest rates might attract foreign investment, causing the domestic currency to appreciate. This appreciation makes exports more expensive and imports less expensive. As a result, net exports fall, putting pressure on AD. Overall, monetary policy contraction reduces AD via lowering consumption, investment, and net exports. The combined effect of these factors causes the AD curve to move to the left. II. Short-run Aggregate Supply (SRAS): Contractionary monetary policy can have mixed effects on SRAS in the short run. The following are the consequences: a. Input Costs: increased interest rates raise the cost of borrowing for enterprises, which can lead to increased production costs. This may have a detrimental impact on business profitability and increase input expenses. As a result, the SRAS curve shifts to the left, indicating lower output and higher pricing.

b. Expectations: Monetary policy contraction can influence inflation expectations in individuals and companies. They may modify their pay and price-setting behavior if they anticipate lower inflation as a result of the policy. This can reduce the policy's impact on SRAS, resulting in a less leftward shift of the curve. The net influence on SRAS is determined by the magnitude of these components. If the impact of lower inflation expectations surpasses the impact of increasing input costs, the SRAS curve will shift to the left, signaling lower output levels and higher prices in the short run. III. Long-run Aggregate Supply (LRAS): Contractionary monetary policy is likely to have little effect on LRAS in the long run. LRAS measures the productive capacity of the economy and is determined by factors such as technology, labor force, and capital stock. Monetary policy has the greatest impact on the aggregate demand side of the economy and has little direct impact on the long-run supply potential. The primary goal of contractionary monetary policy is to limit inflationary pressures and restore price stability in the economy. By limiting excessive aggregate demand growth, the policy helps to minimize long-term overheating and imbalances. As a result, in reaction to the policy, LRAS remains unchanged. Overall, a contractionary monetary policy would have a considerable impact on the Australian economy. It would lower aggregate demand by reducing consumption, investment, and net exports. In the near run, rising input costs may cause a leftward shift in the SRAS curve. In the long run, however, LRAS remains unaffected because the policy's primary purpose is to limit inflation and restore price stability. The combined impact of these changes in AD, SRAS, and LRAS would cause the economy to decrease. Output levels would fall, resulting in slower economic growth. In the near run, greater input prices and less supply may cause price increases. However, the strategy is projected to help reduce inflation and restore price stability over time, thereby promoting long-term growth. It is important to note that the actual magnitude of the impact and the speed with which the economy adjusts will be determined by several factors, including the effectiveness of monetary policy implementation, the responsiveness of economic agents to policy changes, and external factors such as global economic conditions and commodity prices.

5. Many economic commentators warn that aggressive action by the RBA would inflict.

II. Potential impact on homeowners: a. Mortgage Debt: Rising interest rates have a direct impact on homeowners who have variable-rate mortgages or are wanting to refinance. If interest rates climb dramatically, homeowners' monthly mortgage payments may increase, potentially straining their budgets and bringing them closer to financial difficulty. This condition could result in an increase in mortgage delinquencies and foreclosures, which would be detrimental to both individuals and the housing market. b. Household Spending and Confidence: Rising interest rates limit homeowners' discretionary income as mortgage payments rise. This loss in disposable income could lead to lower consumer expenditure, affecting numerous sectors of the economy. Consumer spending cuts can have a negative impact on corporate revenues, investment, and overall economic growth. Furthermore, the prospect of increasing loan rates might erode consumer confidence, impacting spending behavior even further. c. Wealth Effect: Rising interest rates can have an influence on homeowners' wealth via their housing assets. Rising interest rates can cause property prices to fall, reducing homeowners' equity and net worth. This fall in wealth can lead to decreased consumer confidence and spending, increasing the economy's potential negative repercussions. III. Alternative Measures: a. Tailored Measures: Opponents of aggressive interest rate increases call for a more tailored strategy to combating specific inflationary pressures. This may entail taking supply-side actions such as fixing manufacturing bottlenecks, improving infrastructure, or encouraging investment in important areas to boost productivity. b. Fiscal Policy Interventions: Some suggest that fiscal policy interventions, such as targeted government expenditure or tax changes, may be more effective in tackling inflationary pressures while limiting any negative outcomes. These policies can have a direct impact on demand and supply elements in the economy without putting the burden exclusively on homeowners through higher borrowing prices. c. Forward Guidance: Forward guidance can be used by the central bank to moderate inflation expectations and provide clarity on the future path of monetary policy. A clear message from the central bank about its commitment to controlling inflation can affect market participants' behavior, potentially decreasing the need for aggressive interest rate hikes.

In conclusion, while higher interest rates have typically been employed to combat inflation, their success is dependent on the underlying causes of inflation as well as the current economic conditions. In the current environment, where inflation is driven by a combination of demand-pull and supply-side factors, aggressive interest rate hikes may be ineffective in managing inflation. Furthermore, these increases may put a financial hardship on homeowners, negatively impacting the housing market and broader economic growth. Case Study No. 4: Macroeconomics

1. As discussed above, while Real GDP increased slightly in June 2019, Real GDP per capita went backward. Clearly explain why and how this happened (i.e., Real GDP per capita dropped despite an increase in Real GDP). Real GDP per capita is calculated by dividing real GDP by population. It shows the average standard of living and economic well-being of individuals within that population. In this case, even though the real GDP increased by 0.5% in 2019, the growth of the population growth in that period is higher. Therefore, the overall output grew at a slower rate compared to the population growth of that period. As a result of this situation, the real GDP per capita decreased even though the real GDP increased. When the population grows faster than an economy, it increases the need for infrastructure, services, and other resources which makes the average resources per individual lower than before the growth of the population. In this specific scenario, population increase exceeded Real GDP growth, resulting in a fall in Real GDP per capita. This shows that the rise in economic output was