CIE AS SAMPLE ESSAYS

Price elasticity, income elasticity and cross elasticity of demand

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9708/21/M/J/24 

9708/21/M/J/24

PES measures how responsive the quantity supplied of a good is to changes in its price. This metric is crucial for businesses as it provides insight into how quickly they can adjust production in response to market demand fluctuations. For instance, a high PES indicates that a firm can rapidly increase output when prices rise, helping capitalize on potential profits. Conversely, low PES suggests that supply cannot be quickly adjusted, which may lead to lost sales during high-demand periods.

However, while PES can help businesses estimate their responsiveness to market changes, it is not always precise. External factors, such as supply chain disruptions or production capacity limits, can affect a firm’s ability to respond swiftly. Moreover, businesses may hold varying levels of stock, which can influence the time required to adapt supply.

XED measures the responsiveness of demand for one good when the price of another good changes. This is particularly useful for businesses in understanding competitive dynamics. A positive XED indicates that two products are substitutes, while a negative XED suggests they are complements. For example, if the price of coffee increases, a café may observe increased demand for tea (a substitute), which can guide pricing and marketing strategies.

XED also helps businesses gauge how sensitive their products are to competitors’ pricing strategies. However, the relationship captured by XED can change rapidly due to market trends or consumer preferences, meaning the data may become outdated quickly. As such, while XED is insightful, businesses must regularly reassess these relationships to remain competitive.

When comparing PES and XED, both metrics provide unique insights but serve different purposes. PES is more beneficial for businesses focused on production and supply chain management, allowing them to plan for immediate market changes. In contrast, XED is crucial for strategic positioning in relation to competitors, particularly in markets with many substitute and complementary goods.

In conclusion, the extent to which each measure is useful depends on the specific needs and context of the business. For firms primarily concerned with supply management, PES may be more critical. However, for businesses in highly competitive markets with numerous substitutes, XED may hold greater significance. Ultimately, a comprehensive approach that considers both metrics can lead to more informed decision-making, as they complement each other in understanding market dynamics.