{"edition":"chicago","organization":"Big Brothers Big Sisters of Metropolitan Chicago","organizationId":"ein:36-2681212","boundaryVersion":"OMB-23-01-2023-07-21","updated":"2026-10-18","display":{"metric":{"id":"daly-equivalent","years":1,"label":"DALY","priceLabel":"$ / DALY"},"priceUSD":99687.67497674763,"canonicalPriceUSDPerTenEquivalentYears":996876.7497674763,"conversion":"display only; QALYs and income equivalents are not measured clinical DALYs"},"listDisplay":{"metric":{"id":"daly-equivalent","years":1,"label":"DALY","priceLabel":"$ / DALY"},"priceUSD":99687.67497674763,"canonicalPriceUSDPerTenEquivalentYears":996876.7497674763,"conversion":"display only; QALYs and income equivalents are not measured clinical DALYs"},"model":{"version":"bbbs-chicago-beta-income-20261018","costScope":"FY2023 whole-organization expense per young person served (2024 estimate) × 1.5 years per match.","geographicAttribution":"Chicago-area children; 0.8 of adult earning years in the Chicago metro.","formula":"Price = 10 × cost per match ÷ [0.5 × discounted years(25, from age 20) × ln(1 + 0.6 × 8% × base ÷ base) × causal × transfer × non-displacement × Chicago share]. 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