LAWS90065 Chap.2 Market Definition and the SSNIP Test
Market Definition and the SSNIP Test
Define Relevant Market
The course material gives this chapter a concrete anchor: The module distinguishes core and marginal consumers and explains the hypothetical-monopolist test, SSNIP and cellophane fallacy.
That Relevant Market anchor controls how Hypothetical Monopolist is explained and how SSNIP is tested in changed practice.
Market Definition and the SSNIP Test asks how Relevant Market, Hypothetical Monopolist and SSNIP change the interpretation of a text, case, institution or public problem.
The chapter's practical task is to apply substitution evidence to expand or retain a candidate market; that requires an argument, not a list of themes.
Define Relevant Market at the scale of the chosen case. Identify who uses the category, what it makes visible and what it may conceal.
This prevents the Relevant Market definition from floating above the evidence as an interchangeable opening paragraph.
Use Hypothetical Monopolist to explain the relationship between the case and the claim.
Quote, describe or compare only the evidence that advances Hypothetical Monopolist, and make the inferential step visible instead of assuming the example speaks for itself.
Bring SSNIP in as a second lens or consequence. The SSNIP reading may deepen the first account, expose a conflict or show why another audience would interpret the same material differently.
The comparison should change the conclusion, not simply add another term.
To apply substitution evidence to expand or retain a candidate market, build each paragraph around one contested move: claim, specific evidence, explanation and qualification.
A SSNIP counter-reading is strongest when it identifies exactly which premise or piece of evidence it changes.
Make an evidence table for Relevant Market with four columns: passage, image, event or institutional fact; the concept it activates; the inference drawn; and a plausible competing reading. Place Relevant Market and Hypothetical Monopolist in separate rows before combining them.
This keeps Hypothetical Monopolist interpretation anchored in specific material and shows where disagreement enters the argument.
Test the scale of every claim. A detail involving Relevant Market may support an argument about one text, group or moment without supporting a claim about an entire culture or institution.
Use SSNIP to decide whether the evidence should be widened, narrowed or compared with a counter-case before the paragraph reaches its conclusion.
For timed revision in LAWS90065, write a one-sentence thesis for the application — apply substitution evidence to expand or retain a candidate market — then list the minimum evidence needed to defend it.
Add one SSNIP objection that would matter if true and revise the thesis so it survives. The exercise trains SSNIP argument selection and qualification rather than a memorised inventory of course terms.
A complete response should make the task visible before the detail: identify what must be decided, define the relevant terms, connect the evidence to Hypothetical Monopolist, and use SSNIP to test the result.
The final sentence about SSNIP should answer the question actually asked rather than merely repeat the topic.
The controlling limit is specific: The test must begin from a competitive benchmark; applying it to an existing monopoly price can produce the cellophane fallacy.
Keep that SSNIP limit beside the worked example, because it separates a careful LAWS90065 answer from one that sounds confident but claims more than the task or evidence supports.
For revision, retrieve Relevant Market, Hypothetical Monopolist and SSNIP without notes, explain their relationship aloud, then complete a changed version of the application: apply substitution evidence to expand or retain a candidate market.
Record the first failed Hypothetical Monopolist reasoning move and repair it before attempting another case.
Formula checkpoint: Relevant Market
The candidate price applies a proportional SSNIP to the competitive benchmark rather than to an already distorted price.
What this chapter covers
- 01
Relevant Market
- 02
Hypothetical Monopolist
- 03
SSNIP
- 04
Applying Relevant Market
- 05
Limits of Hypothetical Monopolist and SSNIP
Market Definition and the SSNIP Test: resolve the changed evidence
- 4Fix the case-specific meaning and evidential scale of Relevant Market.
- 3Show the operation or inferential link carried by Hypothetical Monopolist.
- 3Use SSNIP to test the strongest plausible alternative.
- 3Report the answer within this limit: The test must begin from a competitive benchmark; applying it to an existing monopoly price can produce the cellophane fallacy.
Key terms
- Relevant Market
- The product, geographic and functional field within which substitution supplies the competitive constraints relevant to the inquiry. Use this definition when the task is to apply substitution evidence to expand or retain a candidate market.
- Hypothetical Monopolist
- The analytic construct that controls the candidate product set and asks whether a price increase would be profitable. Use this definition when the task is to apply substitution evidence to expand or retain a candidate market.
- SSNIP
- A small but significant non-transitory increase in price used to test whether substitution makes a candidate market too narrow. Use this definition when the task is to apply substitution evidence to expand or retain a candidate market.
Market Definition and the SSNIP Test FAQ
When is it appropriate to apply substitution evidence to expand or retain a candidate market?
Apply substitution evidence to expand or retain a candidate market. The module distinguishes core and marginal consumers and explains the hypothetical-monopolist test, SSNIP and cellophane fallacy.
Can The test must begin from a competitive benchmark; applying it to an existing monopoly price produce the cellophane fallacy?
The test must begin from a competitive benchmark; applying it to an existing monopoly price can produce the cellophane fallacy. The analytic construct that controls the candidate product set and asks whether a price increase would be profitable.
Which conclusion should be retested after increasing the assumed starting price above the competitive level and diagnose how the market-definition inference becomes distorted?
The response first fixes Relevant Market at the scale stated in the scenario and excludes evidence that belongs to a different object. It then traces Hypothetical Monopolist through the relevant evidence rather than assuming the connection. The comparison supplied by SSNIP determines whether the initial position remains, narrows or reverses.
The final claim stays conditional on this boundary: The test must begin from a competitive benchmark; applying it to an existing monopoly price can produce the cellophane fallacy.
Assessment move
Reconstruct the relationship among Relevant Market, Hypothetical Monopolist and SSNIP; complete the chapter application without notes; then test the result against this limit: The test must begin from a competitive benchmark; applying it to an existing monopoly price can produce the cellophane fallacy..
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