The impact of changes in demand and/or supply in one market on a related market(s) (OCR A-Level Economics): Model Answers

Introduction

• Define key concepts: demand, supply, related markets. • Introduce the theory of interrelated markets (e.g., complementary and substitute goods). • State the essay's aim: to evaluate the impact of changes in one market on related markets.

Section	Content	Analysis Points	Evaluation Points
Impact of Changes in Demand:	Illustrate with an example (e.g., an increase in demand for smartphones).	- Increase in demand for smartphones raises prices, leading to higher revenues for producers.	- Discuss how higher prices might lead to increased production, potentially affecting related markets (e.g., microchips).
		- Higher demand may lead to increased supply in the smartphone market.	- Evaluate how changes in the smartphone market can impact the supply of microchips: potential for market adjustments or supply chain disruptions.
Impact of Changes in Supply:	Illustrate with an example (e.g., a technological advancement in agriculture).	- Technological advancement increases supply of agricultural products, lowering prices.	- Assess how increased supply in agriculture affects related markets (e.g., food processing industry).
		- Lower prices may lead to increased consumption and potentially higher demand for related products.	- Evaluate the long-term effects on related industries, considering possible oversupply or price volatility.
Complementary and Substitute Goods:	Explore effects on related markets using specific examples.	- Changes in the price of complementary goods (e.g., printers and ink cartridges).	- Consider how cross-elasticity of demand affects market dynamics and whether market adjustments are short-term or long-term.
		- Changes in the price of substitutes (e.g., butter and margarine).	- Evaluate how shifts in one market can lead to strategic responses in related markets, such as price wars or changes in consumer preferences.

Conclusion

• Summarise key points and findings. • Reflect on the interconnected nature of markets and how changes propagate. • Provide a balanced view on the extent of these impacts and consider any limitations or exceptions.

Top 3 Tips for Achieving 40/40

Tip Number	Tip
1	Depth of Analysis and Application: - Include detailed analysis using real-world examples. - Connect theoretical concepts to current market situations. - Demonstrate how changes in one market can impact related markets.
2	Balanced Evaluation: - Provide a thorough evaluation considering both short-term and long-term effects. - Discuss any potential exceptions or limitations. - Weigh positive and negative impacts on related markets and offer a nuanced perspective.
3	Clarity and Structure: - Maintain a clear, logical structure throughout the essay. - Ensure each paragraph builds on the previous one. - Organise arguments well. - Use economic terminology accurately and ensure precise, coherent writing.