{"slug":"african-economy","title":"African economy","definition":"Studies of South Africa’s role if incomes, cities, and capital markets grow across the continent.","connected_topics":[{"slug":"south-africa","title":"South Africa","href":"https://greyscienx.com/topics/south-africa"},{"slug":"industrialisation","title":"Industrialisation","href":"https://greyscienx.com/topics/industrialisation"},{"slug":"cities","title":"Cities","href":"https://greyscienx.com/topics/cities"}],"study_count":3,"studies":[{"id":"GSX:AFR-001","slug":"south-africa-in-a-richer-africa","title":"South Africa in a Richer Africa","primary_question":"What are the macroeconomic consequences for South Africa of broad African income convergence?","summary":"The macroeconomic consequences of broad African income convergence.","research_type":"exploratory_simulation","evidence_status":"modelled","series_slug":"african-convergence","series_title":"African Convergence","version":"1.0","date_modified":"2026-09-28","links":{"html":"https://greyscienx.com/research/african-convergence/south-africa-in-a-richer-africa","markdown":"https://greyscienx.com/research/african-convergence/south-africa-in-a-richer-africa/markdown","manuscript":"https://greyscienx.com/api/v1/research/south-africa-in-a-richer-africa/manuscript","json":"https://greyscienx.com/api/v1/research/south-africa-in-a-richer-africa","pdf":"https://greyscienx.com/research/african-convergence/south-africa-in-a-richer-africa.pdf"}},{"id":"GSX:AFR-002","slug":"johannesburg-as-africas-financial-capital","title":"Johannesburg as Africa’s Financial Capital","primary_question":"Under what conditions could Johannesburg finance a continent-scale economy?","summary":"The conditions under which Johannesburg could finance a continent-scale economy.","research_type":"exploratory_simulation","evidence_status":"modelled","series_slug":"african-convergence","series_title":"African Convergence","version":"1.0","date_modified":"2026-09-28","links":{"html":"https://greyscienx.com/research/african-convergence/johannesburg-as-africas-financial-capital","markdown":"https://greyscienx.com/research/african-convergence/johannesburg-as-africas-financial-capital/markdown","manuscript":"https://greyscienx.com/api/v1/research/johannesburg-as-africas-financial-capital/manuscript","json":"https://greyscienx.com/api/v1/research/johannesburg-as-africas-financial-capital","pdf":"https://greyscienx.com/research/african-convergence/johannesburg-as-africas-financial-capital.pdf"}},{"id":"GSX:AFR-003","slug":"the-factory-for-african-urbanisation","title":"The Factory for African Urbanisation","primary_question":"How can South African production serve the infrastructure of African city growth?","summary":"South African production positioned around the infrastructure of African city growth.","research_type":"exploratory_simulation","evidence_status":"modelled","series_slug":"african-convergence","series_title":"African Convergence","version":"1.0","date_modified":"2026-09-28","links":{"html":"https://greyscienx.com/research/african-convergence/the-factory-for-african-urbanisation","markdown":"https://greyscienx.com/research/african-convergence/the-factory-for-african-urbanisation/markdown","manuscript":"https://greyscienx.com/api/v1/research/the-factory-for-african-urbanisation/manuscript","json":"https://greyscienx.com/api/v1/research/the-factory-for-african-urbanisation","pdf":"https://greyscienx.com/research/african-convergence/the-factory-for-african-urbanisation.pdf"}}],"related_questions":["How does a richer African continent change the South African economy?","What happens to South African growth if African incomes converge upward?","What would make Johannesburg Africa's financial capital?","How do continental growth and local institutions shape Johannesburg's financial role?","What industrial role does South Africa have in African urbanisation?","Which city-building goods could a South African factory system supply?"],"claims":[{"id":"GSX:AFR-001:C01","claim":"If the rest of Africa grows at 4.2 percent and South Africa at 3.5 percent, the manuscript's central scenario has South African GDP at about US$981 billion, real GDP per person up roughly 109 percent, and the continental GDP share down from 13.8 to 11.9 percent.","study_id":"GSX:AFR-001","study_title":"South Africa in a Richer Africa","href":"https://greyscienx.com/research/african-convergence/south-africa-in-a-richer-africa/claims/C01"},{"id":"GSX:AFR-002:C01","claim":"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.","study_id":"GSX:AFR-002","study_title":"Johannesburg as Africa’s Financial Capital","href":"https://greyscienx.com/research/african-convergence/johannesburg-as-africas-financial-capital/claims/C01"},{"id":"GSX:AFR-003:C01","claim":"In the central build-out, South African-linked firms record US$264 billion of cumulative gross sales and about US$137 billion of domestic value added over twenty-five years.","study_id":"GSX:AFR-003","study_title":"The Factory for African Urbanisation","href":"https://greyscienx.com/research/african-convergence/the-factory-for-african-urbanisation/claims/C01"}],"assumptions":[{"id":"GSX:AFR-002:A01","name":"Central hub shares","sensitivity":"high","study_id":"GSX:AFR-002","href":"https://greyscienx.com/research/african-convergence/johannesburg-as-africas-financial-capital"},{"id":"GSX:AFR-001:A01","name":"Conditional growth rates","sensitivity":"high","study_id":"GSX:AFR-001","href":"https://greyscienx.com/research/african-convergence/south-africa-in-a-richer-africa"},{"id":"GSX:AFR-003:A02","name":"Contestable share and retention","sensitivity":"high","study_id":"GSX:AFR-003","href":"https://greyscienx.com/research/african-convergence/the-factory-for-african-urbanisation"},{"id":"GSX:AFR-001:A03","name":"Platform-income share","sensitivity":"high","study_id":"GSX:AFR-001","href":"https://greyscienx.com/research/african-convergence/south-africa-in-a-richer-africa"},{"id":"GSX:AFR-003:A01","name":"Urban anchor","sensitivity":"moderate","study_id":"GSX:AFR-003","href":"https://greyscienx.com/research/african-convergence/the-factory-for-african-urbanisation"},{"id":"GSX:AFR-002:A02","name":"Starting financial depth","sensitivity":"low","study_id":"GSX:AFR-002","href":"https://greyscienx.com/research/african-convergence/johannesburg-as-africas-financial-capital"},{"id":"GSX:AFR-001:A02","name":"Starting shares","sensitivity":"low","study_id":"GSX:AFR-001","href":"https://greyscienx.com/research/african-convergence/south-africa-in-a-richer-africa"}],"datasets":[{"id":"D01","title":"South Africa in a Richer Africa","study_id":"GSX:AFR-001","href":"https://greyscienx.com/research/african-convergence/south-africa-in-a-richer-africa/data"},{"id":"D01","title":"Johannesburg as Africa’s Financial Capital","study_id":"GSX:AFR-002","href":"https://greyscienx.com/research/african-convergence/johannesburg-as-africas-financial-capital/data"},{"id":"D01","title":"The Factory for African Urbanisation","study_id":"GSX:AFR-003","href":"https://greyscienx.com/research/african-convergence/the-factory-for-african-urbanisation/data"}],"links":{"html":"https://greyscienx.com/topics/african-economy","json":"https://greyscienx.com/api/v1/topics/african-economy"}}