Align SSI takeup and disability flags to CPS-reported receipt#607
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Align SSI takeup and disability flags to CPS-reported receipt#607
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People who report receiving SSI in the CPS were getting $0 SSI in PE because (a) random takeup excluded them, and (b) some lacked CPS disability flags needed for eligibility. This adds two fixes in add_takeup(): 1. Sets takes_up_ssi_if_eligible=True for SSI reporters, with an adjusted random draw for non-reporters to hit the 50% target rate 2. Sets is_disabled=True for SSI reporters under 65 (SSI requires aged OR disabled/blind, so under-65 recipients must be disabled) Together these reduce the simulated poverty rate by ~0.6pp. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
takes_up_ssi_if_eligible = Truefor CPS respondents who report receiving SSI (ssi_reported > 0), guaranteeing PE's takeup model doesn't randomly exclude actual recipients. Non-reporters get an adjusted random draw to hit the 50% overall takeup rate (Urban Institute estimate).is_disabled = Truefor SSI reporters under 65. SSI eligibility requires aged (65+) OR disabled/blind, so under-65 recipients must be disabled. CPS disability flags (PEDIS*columns) miss some of these people.Problem
PE computes SSI eligibility from rules, then randomly assigns takeup. This means ~54% of CPS respondents who report receiving SSI get $0 SSI in PE because:
This inflates PE's simulated poverty rate by ~0.6pp.
Approach
Both fixes are applied in
add_takeup()afterssi_reported,is_disabled, andageare all loaded into the dataset. This follows the same pattern used for SNAP reporter prioritization.Test plan
make formatpasses