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Edexcel IGCSE Economics 1.1.4 Elasticity Question Bank

Practise elasticity calculations, diagrams and interpretations for PED, PES and related demand or supply responsiveness.

Syllabus
First assessment 2019
Course
Economics 4EC1

Exam points

  • calculate PED or PES from percentage changes and interpret elastic or inelastic values
  • draw elastic or inelastic demand and supply curves with labelled axis changes
  • apply elasticity to revenue, supply constraints and real product examples

1.1.4 Elasticity question 1

[Maximum number: 2]

Calculate the percentage change in quantity demanded for a product if the price elasticity of demand (PED) is -1.9 and the price falls by 10%. You are advised to show your working.

1.1.4 Elasticity question 2

[Maximum number: 2]

Alfie provides a dog-walking service to dog owners in his local area. After a successful first year he increased prices by 1.5% and quantity demanded fell by 1.1%.

Calculate, to two decimal places, the price elasticity of demand (PED) for Alfie's dog-walking service. You are advised to show your working.

1.1.4 Elasticity question 3

[Maximum number: 12]

Question (a)

(a)

Using the diagram below, draw a price elastic demand (PED) curve. Label the curve and show the impact on both axes from a change in price.

Figure 2

Figure 2

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Question (b)

(b)

Many firms in Bangladesh produce textiles. In the factories, cotton shirts, knitwear and suits are produced. These factories are often operating below capacity.

About 40\% of the Bangladeshi population is employed in the agricultural sector. Crops such as wheat, corn and fruit are produced annually by this sector.

With reference to the data above and your knowledge of economics, assess whether supply is likely to be more price elastic for textiles than for agricultural products.

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