{"schema_version":"GreyResearchGraph 1.0","study_id":"GSX:AFR-002","node_count":15,"edge_count":20,"nodes":[{"id":"GSX:AFR-002:C01","type":"claim","label":"In the central regional-hub scenario, an 8 percent capture share produces about US$90.4 billion of cumulative financial-services revenue and about US$71.2 billion of value retained in South Africa.","evidence_status":"modelled","href":"https://greyscienx.com/research/african-convergence/johannesburg-as-africas-financial-capital/claims/C01"},{"id":"GSX:AFR-002:A01","type":"assumption","label":"Forty percent of gross capital formation is treated as institutionally or externally financeable. Johannesburg arranges, distributes, services or manages 8 percent of that pool.","evidence_status":"modelled","href":"https://greyscienx.com/api/v1/research/johannesburg-as-africas-financial-capital"},{"id":"GSX:AFR-002:R01","type":"result","label":"Under the central hub scenario, captured flow is approximately US$1.30 trillion. Fees and spreads produce about US$90.4 billion of cumulative financial-services revenue.","evidence_status":"modelled","href":"https://greyscienx.com/api/v1/research/johannesburg-as-africas-financial-capital"},{"id":"GSX:AFR-002:R02","type":"result","label":"About US$71.2 billion is retained as domestic value, US$2.85 billion a year on average, with roughly 15,800 direct jobs and 25,300 direct and indirect jobs.","evidence_status":"modelled","href":"https://greyscienx.com/api/v1/research/johannesburg-as-africas-financial-capital"},{"id":"GSX:AFR-002:C02","type":"claim","label":"The manuscript's objective is retained financial value from African investment even when the project, issuer, investor or consumer is elsewhere. Inherited market depth does not by itself protect that role.","evidence_status":"modelled","href":"https://greyscienx.com/research/african-convergence/johannesburg-as-africas-financial-capital/claims/C02"},{"id":"GSX:AFR-002:A02","type":"assumption","label":"The manuscript cites JSE market capitalisation of R24.18 trillion at the end of 2025 and banking-sector assets of R8.45 trillion in June 2025.","evidence_status":"modelled","href":"https://greyscienx.com/api/v1/research/johannesburg-as-africas-financial-capital"},{"id":"GSX:AFR-001","type":"study","label":"South Africa in a Richer Africa","evidence_status":"modelled","href":"https://greyscienx.com/research/african-convergence/south-africa-in-a-richer-africa"},{"id":"GSX:AFR-002","type":"study","label":"Johannesburg as Africa’s Financial Capital","evidence_status":"modelled","href":"https://greyscienx.com/research/african-convergence/johannesburg-as-africas-financial-capital"},{"id":"GSX:AFR","type":"series","label":"African Convergence","evidence_status":null,"href":"https://greyscienx.com/series/african-convergence"},{"id":"GSX:AFR-002:M01","type":"model","label":"Regional-hub financial-services model","evidence_status":"modelled","href":"https://greyscienx.com/api/v1/research/johannesburg-as-africas-financial-capital"},{"id":"GSX:AFR-002:PDF","type":"source","label":"Johannesburg as Africa’s Financial Capital","evidence_status":null,"href":"https://greyscienx.com/research/african-convergence/johannesburg-as-africas-financial-capital.pdf"},{"id":"GSX:TOPIC:african-economy","type":"topic","label":"African economy","evidence_status":null,"href":"https://greyscienx.com/topics/african-economy"},{"id":"GSX:TOPIC:cities","type":"topic","label":"Cities","evidence_status":null,"href":"https://greyscienx.com/topics/cities"},{"id":"GSX:TOPIC:south-africa","type":"topic","label":"South Africa","evidence_status":null,"href":"https://greyscienx.com/topics/south-africa"},{"id":"GSX:AFR-003","type":"study","label":"The Factory for African Urbanisation","evidence_status":"modelled","href":"https://greyscienx.com/research/african-convergence/the-factory-for-african-urbanisation"}],"edges":[{"subject_id":"GSX:AFR-002:C01","predicate":"depends_on","object_id":"GSX:AFR-002:A01","note":"Registered dependency."},{"subject_id":"GSX:AFR-002:C01","predicate":"derived_from","object_id":"GSX:AFR-002:R01","note":"Registered result."},{"subject_id":"GSX:AFR-002:C01","predicate":"derived_from","object_id":"GSX:AFR-002:R02","note":"Registered result."},{"subject_id":"GSX:AFR-002:C02","predicate":"depends_on","object_id":"GSX:AFR-002:A01","note":"Registered dependency."},{"subject_id":"GSX:AFR-002:C02","predicate":"depends_on","object_id":"GSX:AFR-002:A02","note":"Registered dependency."},{"subject_id":"GSX:AFR-002:C02","predicate":"derived_from","object_id":"GSX:AFR-002:R02","note":"Registered result."},{"subject_id":"GSX:AFR-001","predicate":"related_to","object_id":"GSX:AFR-002","note":"African Convergence"},{"subject_id":"GSX:AFR-002","predicate":"part_of","object_id":"GSX:AFR","note":"African Convergence"},{"subject_id":"GSX:AFR-002","predicate":"has_claim","object_id":"GSX:AFR-002:C01","note":"Registered claim."},{"subject_id":"GSX:AFR-002:C01","predicate":"generated_by","object_id":"GSX:AFR-002:M01","note":"Regional-hub financial-services model"},{"subject_id":"GSX:AFR-002:C01","predicate":"supported_by","object_id":"GSX:AFR-002:PDF","note":"Source registered on the conditional claim."},{"subject_id":"GSX:AFR-002","predicate":"has_claim","object_id":"GSX:AFR-002:C02","note":"Registered claim."},{"subject_id":"GSX:AFR-002:C02","predicate":"generated_by","object_id":"GSX:AFR-002:M01","note":"Regional-hub financial-services model"},{"subject_id":"GSX:AFR-002:C02","predicate":"supported_by","object_id":"GSX:AFR-002:PDF","note":"Source registered on the conditional claim."},{"subject_id":"GSX:AFR-002","predicate":"has_topic","object_id":"GSX:TOPIC:african-economy","note":"Registered topic."},{"subject_id":"GSX:AFR-002","predicate":"has_topic","object_id":"GSX:TOPIC:cities","note":"Registered topic."},{"subject_id":"GSX:AFR-002","predicate":"has_topic","object_id":"GSX:TOPIC:south-africa","note":"Registered topic."},{"subject_id":"GSX:AFR-002","predicate":"related_to","object_id":"GSX:AFR-001","note":"African Convergence"},{"subject_id":"GSX:AFR-002","predicate":"related_to","object_id":"GSX:AFR-003","note":"African Convergence"},{"subject_id":"GSX:AFR-003","predicate":"related_to","object_id":"GSX:AFR-002","note":"African Convergence"}]}