These A Level Economics B 9EB0 topics consistently produce the lowest scores. Prioritise these in your revision.
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Micro vs macro diagrams — choosing the right diagram for the question
'there are some candidates who still do not understand the difference between macro and micro diagrams with lots of incorrect labelling. Improving skills and the quality of labour should have indicated an evaluation of supply-side policy was required and a right shift of aggregate supply but some candidates focused solely on AD which was not answering the question.' (9EB0 Paper 1, June 2023)
Affects: Paper 1, Paper 2, Paper 3
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Price elasticity of demand — formula direction and unit interpretation
'The most regular error was to get the formula incorrect, dividing change in price by change in quantity. Another common error was to express the coefficient of PED as a percentage or multiplying the coefficient by 100 to give an incorrect final answer.' (9EB0 Paper 2, June 2024)
Affects: Paper 2
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Income elasticity of demand and inferior/normal goods
'The most common error was to get the formula incorrect, dividing change in income by change in quantity. This is basic knowledge that really should be known at this level. Another common error was to express the coefficient of YED as a percentage.' (9EB0 Paper 2, June 2023)
Affects: Paper 2
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Index numbers — calculating and interpreting CPI
'The main errors being either in orders of magnitude or due to candidates not having learned how to interpret and calculate index numbers and percentage changes' (9EB0 Paper 2, June 2023). Candidates lost marks for failing to round to the nearest whole number when required: 'One mark was occasionally lost by giving the answer as 129.5 rather than rounding to 130.' (9EB0 Paper 2, June 2024)
Affects: Paper 2
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Deflation vs disinflation
Q1(b) of June 2023 Paper 2 required candidates to identify both deflation (January 2022) and disinflation (November or December 2021) from CPI data and explain the difference. Candidates who could not separate the two concepts could not access full marks on this 4-mark item.
Affects: Paper 2
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Circular flow of income — leakages and injections
'Despite the data suggesting otherwise, many candidates suggested that the impact may be positive, as firms and households apparently switch to domestically produced energy and commodities. In some cases, sections of the extracts were simply copied out and the concepts of injections and withdrawals/leakages not addressed. This meant that the question was not being answered.' (9EB0 Paper 2, June 2024)
Affects: Paper 2
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Income vs wealth, and absolute vs relative poverty
'There was some confusion evident about the difference between income and wealth, which resulted in some substituting the term wealth for income. The distinction between income and wealth is in the specification (in Theme 3.6.4) and needs to be understood.' (9EB0 Paper 2, June 2024). On absolute vs relative poverty: 'Many of the weaker responses were unable to achieve beyond level 2 as they failed to demonstrate an understanding of the difference between absolute and relative poverty.' (9EB0 Paper 2, June 2024)
Affects: Paper 2
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Stakeholder identification beyond shareholders and employees
'Many candidates talked about the clash between shareholders and employees, however far fewer mentioned the consumer or other takeaway firms who do not use dark kitchens. Furthermore, while many candidates mentioned environmental effects, few identified a specific stakeholder group in this respect.' (9EB0 Paper 2, June 2023)
Affects: Paper 2, Paper 3