What PED value represents perfectly inelastic demand?
With perfectly inelastic demand, quantity demanded does not change when price changes, so the percentage quantity change and PED value are zero.
Specification 0455. Explore a topic, practise the skill, and see where to focus next.
Try three questions →Explore the topic map ↓
Cambridge IGCSE · Economics 2027+ · 0455LearningP is independent of Cambridge IGCSE · Economics 2027+. Use the current official documents for assessment requirements.
Try three different Economics skills from this Cambridge IGCSE · Economics 2027+ route. See what went right, understand a mistake, and find a useful next step.
A small preview of how LearningP turns answers into a clearer learning picture for students and parents.
With perfectly inelastic demand, quantity demanded does not change when price changes, so the percentage quantity change and PED value are zero.
Cultural norms can influence attitudes to debt, precautionary saving and family obligations, but economic constraints and individual circumstances still matter.
Growth may raise energy use, extraction and waste, but policy, structural change and cleaner investment can reduce environmental damage per unit of output.
These tiles show your answers to three questions. They are a starting point, not a mastery score or grade prediction.
Correct answer: 0
With perfectly inelastic demand, quantity demanded does not change when price changes, so the percentage quantity change and PED value are zero.
Correct answer: Social expectations and attitudes to family support or debt can affect choices, alongside income and interest rates
Cultural norms can influence attitudes to debt, precautionary saving and family obligations, but economic constraints and individual circumstances still matter.
Correct answer: Higher output can increase resource use and pollution, although cleaner technology can weaken the conflict
Growth may raise energy use, extraction and waste, but policy, structural change and cleaner investment can reduce environmental damage per unit of output.
For parents: look at the explanation together. A correct answer is encouraging; a missed answer gives you something specific to work on. Broader practice over time is needed to understand progress.
A need is essential for living, such as safe water, food, shelter and basic clothing. Wants improve satisfaction but are not essential and can change with income, fashion and technology.
Watch for: Do not stop after the first effect of The basic economic problem. Build the chain of reasoning, use the context and explain what could weaken or reverse the outcome.
A price incentive can change behaviour, regulation can set minimum standards, information can correct misunderstanding and subsidies can ease adoption. Coordination is needed to avoid unnecessary cost or contradiction.
Watch for: Do not stop after the first effect of The allocation of resources. Build the chain of reasoning, use the context and explain what could weaken or reverse the outcome.
By assessing and directing funds toward productive investment, financial institutions can support capital formation, innovation and productivity. Poor lending decisions can instead create losses and instability.
Watch for: Do not stop after the first effect of Microeconomic decision-makers. Build the chain of reasoning, use the context and explain what could weaken or reverse the outcome.
Spending cuts reduce public demand and may reduce household incomes, firms' sales and jobs, especially when spare capacity is high. The deficit may improve but other objectives can worsen.
Watch for: Do not stop after the first effect of Government and the macroeconomy. Build the chain of reasoning, use the context and explain what could weaken or reverse the outcome.
Progressive taxation raises proportionately more from higher incomes. Revenue can fund benefits and public services that increase the resources available to lower-income households.
Watch for: Do not stop after the first effect of Economic development. Build the chain of reasoning, use the context and explain what could weaken or reverse the outcome.
Lower cost can improve competitiveness and consumer prices, but jobs, communities, labour standards, emissions and supply resilience must be considered. The balance depends on evidence and safeguards.
Watch for: Do not stop after the first effect of International trade and globalisation. Build the chain of reasoning, use the context and explain what could weaken or reverse the outcome.
No matching topics. Try another search.
Cambridge IGCSE · Economics 2027+ · International GCSE · Economics · 0455
2027-2029 syllabus Version 1
Source checked: 2026-08-28. The current official specification controls assessment requirements and option choices.
Yes. This page offers three original questions from three different skills on this exact course. Each answer has an explanation, followed by a sample heatmap showing what was correct and what to revisit. No account is needed, and taster answers are not saved.
It shows the outcome of these three answers and gives a specific skill to discuss or practise next. It is not a full assessment, a mastery score or a grade prediction. Broader practice over time is needed to understand progress.
LearningP currently maps 6 assessed areas for specification 0455. The visible topic map below is derived from the verified route; the current official specification remains controlling.
The verified source bank contains 342 original LearningP question records for this route. Every mapped area meets the current publication minimum and passed the latest blocker and review audit.
No. LearningP uses official specifications and assessment materials to map content and demand, while its practice questions and explanations are independently authored.
No. LearningP reports practice evidence, coverage, strengths and gaps. It does not guarantee or automatically predict examination outcomes.
Use the official Cambridge IGCSE · Economics 2027+ specification and assessment-resource pages linked on this page, together with information supplied by the learner’s school.