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IB Economics SL Internal Assessment Exemplar: Supermarket plastic bag charge has led to 98% drop in use in England

Supermarket plastic bag charge has led to 98% drop in use in England

Overall Score: 11/14

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Criteria A: Diagrams

3/3

Criteria Strands

Good

Diagram inclusion and accuracy

Excellent

Diagram explanation

Criteria Feedback

Two relevant diagrams included with accurate labels and correctly positioned curves.
Full and accurate explanations of welfare-loss, tax shift and incidence within the text.
Linking of elasticity changes over time back to the diagrammatic analysis.

Minor presentational imperfections (ambiguous ‘S = MSC = MPC’ label, slight crowding of labels).
Curves could be more distinctly separated and axes/key points (Q₁, Qopt) explicitly annotated in captions for clarity.

Criteria B: Terminology

2/2

Criteria Strands

Excellent

Use of economic terminology

Criteria Feedback

Economic terminology (negative externality, MPB/MSB, welfare loss, inelastic demand, market failure) is used correctly and consistently.
Technical terms are integrated effectively to support the analysis.

Occasional awkward phrasing and use of quotation marks around “potential” introduce ambiguity.
Terminology could be further refined with more precise alternatives (e.g., ‘likely’ or ‘probable’).

Criteria C: Application and Analysis

2/3

Criteria Strands

Good

Application of economic theory

Good

Quality of economic analysis

Criteria Feedback

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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Criteria D: Key Concept

2/3

Criteria Strands

Excellent

Identification of key concept

Good

Connection to article

Criteria Feedback

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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Criteria E: Evaluation

2/3

Criteria Strands

Good

Quality of judgments

Good

Supporting reasoning

Criteria Feedback

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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Overall Score: 11/14

Was this exemplar helpful?

Want a report just like this?

Free mini report for your own coursework
Fast feedback on what to improve next
Annotated highlights on your writing

Criteria A: Diagrams

3/3

Criteria Strands

Good

Diagram inclusion and accuracy

Excellent

Diagram explanation

Criteria Feedback

Two relevant diagrams included with accurate labels and correctly positioned curves.
Full and accurate explanations of welfare-loss, tax shift and incidence within the text.
Linking of elasticity changes over time back to the diagrammatic analysis.

Minor presentational imperfections (ambiguous ‘S = MSC = MPC’ label, slight crowding of labels).
Curves could be more distinctly separated and axes/key points (Q₁, Qopt) explicitly annotated in captions for clarity.

Criteria B: Terminology

2/2

Criteria Strands

Excellent

Use of economic terminology

Criteria Feedback

Economic terminology (negative externality, MPB/MSB, welfare loss, inelastic demand, market failure) is used correctly and consistently.
Technical terms are integrated effectively to support the analysis.

Occasional awkward phrasing and use of quotation marks around “potential” introduce ambiguity.
Terminology could be further refined with more precise alternatives (e.g., ‘likely’ or ‘probable’).

Criteria C: Application and Analysis

2/3

Criteria Strands

Good

Application of economic theory

Good

Quality of economic analysis

Criteria Feedback

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Unlock all criteria

Upgrade to PRO to see detailed feedback for all criteria in this exemplar.

Criteria D: Key Concept

2/3

Criteria Strands

Excellent

Identification of key concept

Good

Connection to article

Criteria Feedback

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Unlock all criteria

Upgrade to PRO to see detailed feedback for all criteria in this exemplar.

Criteria E: Evaluation

2/3

Criteria Strands

Good

Quality of judgments

Good

Supporting reasoning

Criteria Feedback

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Unlock all criteria

Upgrade to PRO to see detailed feedback for all criteria in this exemplar.