Worked case · Reference condition · 12 figures

Marketplace responsibility map

Map the participants

Figure 01 / 12

Determine the eligible population first

Determine the eligible population first — Marketplace responsibility map. Count; records. Exact values are in the figure data below.
Count; records

Of 1,500 source records, 1,200 are within the stated synthetic scope and 300 are outside it. Eligibility here is an explicit teaching input, not a legal conclusion. Production classification must use the actual entity, product, activity, jurisdiction, and facts.

Figure data and text version
Scope stateRecords
Within stated scope1,200
Outside stated scope300

The platform owns the checkout screen while several partners own parts of the payment chain. A case can fall between those organizations even when each individual service responds.

The reference case starts with the stated population and a functioning evidence path. The owner is payment operations.

All amounts, rates, capacity limits, and outcomes in this case are synthetic. The three conditions are separate assumptions for comparison. A better result in the response condition is not measured proof that the proposed control causes that improvement. The figures expose the calculation and its limits; a real deployment needs its own evidence.

Read the result

The case identifies 1,200 eligible records from a source population of 1,500. The required workflow completes for 1,164, but 17 completed records miss the illustrative internal target. Another 36 remain incomplete. Communication evidence covers 1,152 generated notices. Scope, completion, timeliness, and delivery are four separate properties of the customer outcome.

Model inputs and calculated values

Inputs below are the case-specific values. Each figure states the condition-specific assumptions and units used in its calculation. Calculated values are rounded for display.

InputValue
population1,500
eligibility0.8
Calculated valueResult
population1,500
eligible1,200
excluded300
complete1,164
incomplete36
late17
ontime1,147
notices1,152
undelivered12
pending0
reviewed36
Figure 02 / 12

A control can miss eligible records

A control can miss eligible records — Marketplace responsibility map. Count at a fixed observation cutoff. Exact values are in the figure data below.
Count at a fixed observation cutoff

The required workflow completes for 1,164 of the 1,200 eligible records. The 36 remainder needs an owned exception path. Reporting completion as a percentage of all source records would answer a different question and could hide the actual coverage gap.

Figure data and text version
MeasureRecords
Eligible records1,200
Workflow completed1,164
Workflow incomplete36
Figure 03 / 12

Completion and timeliness are distinct outcomes

Completion and timeliness are distinct outcomes — Marketplace responsibility map. Count; exclusive states within eligible population. Exact values are in the figure data below.
Count; exclusive states within eligible population

The illustration applies an internal target, not a statutory deadline. Of 1,164 completed records, 17 miss that target and 1,147 meet it. The 36 open records are a third state; do not automatically classify them as timely merely because their final outcome is unknown.

Figure data and text version
OutcomeEligible records
Complete within target1,147
Complete after target17
Still incomplete36
Figure 04 / 12

An obligation record connects authority to behavior

An obligation record connects authority to behavior — Marketplace responsibility map. Control contract. Exact values are in the figure data below.
Control contract

This case implements map the participants. The record separates scope, trigger, required action, ownership, and retained proof. Exact legal duties belong to the applicable source and interpretation; the timing and counts in this worked example are synthetic.

Figure data and text version
ElementIllustrative value
Control subjectMarketplace responsibility map
ScopeThe eligible population defined above
TriggerA return reaches the processor but does not reach the merchant-risk queue.
Required behaviormap the participants
Ownerpayment operations
EvidenceVersioned event, action, and communication records
Figure 05 / 12

Different clocks start from different facts

Different clocks start from different facts — Marketplace responsibility map. Internal teaching timeline; not a legal deadline schedule. Exact values are in the figure data below.
Internal teaching timeline; not a legal deadline schedule

These relative times are illustrative service targets. They deliberately distinguish customer contact, receipt by the institution, classification, investigation, and communication. A routing delay must not silently replace the original receipt time when that fact matters.

Figure data and text version
EventIllustrative timeRecord
Customer reportT0Original channel and words
Institution receiptT0 + 5 minutesRetained receipt timestamp
ClassificationT0 + 20 minutesApplicable process and owner
Internal review targetT0 + 1 dayInternal target only
Outcome communicationAt decisionContent, destination, and delivery state
Figure 06 / 12

Evidence fields fail independently

Evidence fields fail independently — Marketplace responsibility map. Count; overlapping field-level checks. Exact values are in the figure data below.
Count; overlapping field-level checks

Each row is one evidence requirement over the eligible population. The same record can fail several checks, so the absent counts across rows must not be added as though they were distinct customers. Completeness does not itself prove that a field is accurate.

Figure data and text version
Evidence fieldPresentAbsent
scope1,18812
trigger1,1946
action1,17624
notice1,18812
evidence1,17030
Figure 07 / 12

A generated notice is not a delivered notice

A generated notice is not a delivered notice — Marketplace responsibility map. Count; generated equals delivered plus unresolved. Exact values are in the figure data below.
Count; generated equals delivered plus unresolved

1,164 completed records generate a modeled notice event. 1,152 have a delivered state and 12 do not. The system must distinguish generation, dispatch, delivery evidence, and any required follow-up under the actual process.

Figure data and text version
Communication stateNotices
Generated1,164
Delivered state recorded1,152
Delivery unresolved12
Figure 08 / 12

Authority differs by operation

Authority differs by operation — Marketplace responsibility map. Illustrative permission matrix. Exact values are in the figure data below.
Illustrative permission matrix

The access matrix is a proposed teaching separation of duties. Read, propose, approve, and administer are distinct capabilities. The final policy must match the organization’s actual roles and obligations, with controlled emergency access and an audit trail.

Figure data and text version
RoleRead evidencePropose actionApprove release
payment operationsScopedYesNo
Independent approverScopedNoYes
SupportLimitedRequest onlyNo
System administratorOperational logsNoNo
Figure 09 / 12

Exceptions need capacity and a closing state

Exceptions need capacity and a closing state — Marketplace responsibility map. Records per observation window. Exact values are in the figure data below.
Records per observation window

The control has 36 incomplete records. The available exception capacity covers 36, leaving 0 pending. A pending state requires an owner and a next action; changing a status label without resolving the required behavior does not close the gap.

Figure data and text version
Queue itemRecordsMeaning
Exceptions opened36Eligible workflow incomplete
Capacity applied36Records handled in this window
Pending exceptions0Still require an owned response
Figure 10 / 12

A rate includes its denominator

A rate includes its denominator — Marketplace responsibility map. Percent; named populations. Exact values are in the figure data below.
Percent; named populations

These rates deliberately use different populations. Overall throughput, eligible coverage, completed-record timeliness, and delivery evidence are not interchangeable. Each needs the same cohort, cutoff, and definition every time it is compared.

Figure data and text version
MetricNumeratorDenominatorPercent
Eligible coverage1,1641,20097
On-time among completed1,1471,16498.54
On-time among eligible1,1471,20095.58
Delivered among generated1,1521,16498.97
Figure 11 / 12

A change needs an evidence trail

A change needs an evidence trail — Marketplace responsibility map. Control-change lifecycle. Exact values are in the figure data below.
Control-change lifecycle

The trigger is A return reaches the processor but does not reach the merchant-risk queue.. A controlled change connects the revised requirement or interpretation to implementation, replay, customer impact, and approval. The old version remains relevant to decisions already made under it.

Figure data and text version
StageRetained proof
InterpretScope, source, effective date, and owner
ImplementVersioned logic, data contract, and message template
VerifyBoundary cases and affected-population comparison
ReleaseApproval, start time, and rollback condition
CorrectAffected records and customer outcome where required
Figure 12 / 12

Correction follows the affected population

Correction follows the affected population — Marketplace responsibility map. Illustrative correction responsibilities. Exact values are in the figure data below.
Illustrative correction responsibilities

A remediation map links the defect to affected records, financial consequences, communication, and closure evidence. It should retain exclusions and unresolved cases. A change that prevents future failures does not by itself correct earlier customer outcomes.

Figure data and text version
FromToRelationship
Marketplace responsibility mapAffected populationReproducible query
Affected populationFinancial reviewAmount and balance impact
Affected populationCustomer messageRequired communication
Financial reviewClosure evidenceVerified adjustment
Customer messageClosure evidenceDelivery and follow-up

Connect the result to the system

Assign a durable handoff, accountable owner, and evidence of queue acceptance.

Check the population, evidence, permitted action, and actual effect together. A balanced calculation can still use the wrong population; a successful response can still leave an unknown financial outcome. The case’s numerical result applies only to its stated assumptions.

Sources and further reading

The chapter sources support the concepts and scope. They do not prescribe the synthetic model rates.

  1. Federal Reserve: payment systems
  2. Stripe: PaymentIntent lifecycle (provider example)