Implement Michigan State Supplementary Payment (SSP)

changelog.d/mi-ssp.added.md

@@ -0,0 +1 @@
+Added Michigan State Supplementary Payment (SSP) program.

policyengine_us/parameters/gov/household/household_state_benefits.yaml

@@ -12,6 +12,8 @@ values:
     - ga_ssp
     # Massachusetts benefits
     - ma_state_supplement
+    # Michigan benefits
+    - mi_ssp
     # Colorado benefits
     - co_state_supplement
     - co_oap
@@ -67,6 +69,8 @@ values:
     - ga_ssp
     # Massachusetts benefits
     - ma_state_supplement
+    # Michigan benefits
+    - mi_ssp
     # Colorado benefits
     - co_state_supplement
     - co_oap

policyengine_us/parameters/gov/states/mi/mdhhs/ssp/payment/couple.yaml

@@ -0,0 +1,55 @@
+description: Michigan provides this amount as the monthly couple payment standard under the State Supplementary Payment program.
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: Michigan SSP couple payment
+  breakdown:
+    - mi_ssp_payment_category
+  reference:
+    - title: MDHHS RFT 248, SSI Payment Levels
+      href: https://mdhhs-pres-prod.michigan.gov/olmweb/ex/RF/Public/RFT/248.pdf#page=2
+    - title: MDHHS BEM 660, State SSI Payment, Legal Base
+      href: https://mdhhs-pres-prod.michigan.gov/olmweb/EX/BP/Public/BEM/660.pdf#page=4
+    - title: MCL 400.10, Social Welfare Act, supplementary payments
+      href: https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-400-10
+    - title: SSA 2011 State Assistance Programs, Michigan baseline
+      href: https://www.ssa.gov/policy/docs/progdesc/ssi_st_asst/2011/mi.html
+    - title: MDHHS RFT 248, SSI Payment Levels (RFB 2016-001 archive)
+      href: https://web.archive.org/web/20161223122049id_/https://dhhs.michigan.gov/OLMWEB/EX/RF/Public/RFT/248.pdf#page=2
+    - title: MDHHS RFT 248, SSI Payment Levels (RFB 2020-001 archive)
+      href: https://web.archive.org/web/20200923083110id_/https://dhhs.michigan.gov/OLMWEB/EX/RF/Public/RFT/248.pdf#page=2
+    - title: MDHHS RFT 248, SSI Payment Levels (RFB 2022-002 archive)
+      href: https://web.archive.org/web/20220309172236id_/https://dhhs.michigan.gov/OLMWEB/EX/RF/Public/RFT/248.pdf#page=2
+    - title: MDHHS RFT 248, SSI Payment Levels (RFB 2024-001 archive)
+      href: https://web.archive.org/web/20240112012718id_/https://dhhs.michigan.gov/OLMWEB/EX/RF/Public/RFT/248.pdf#page=2
+
+# Couple rates start at 2016-01-01. SSA 2011 baseline shows MI couple
+# rates were restructured between 2011 and 2016 (e.g. IL couple was $28
+# in 2011, $21 from 2016 onward); pre-2016 history is not modeled.
+INDEPENDENT_LIVING:
+  2016-01-01: 21
+HOUSEHOLD_OF_ANOTHER:
+  2016-01-01: 13.96
+DOMICILIARY_CARE:
+  2016-01-01: 540
+  2020-01-01: 565
+  2022-01-01: 595
+  2024-01-01: 645
+  2026-01-01: 671
+PERSONAL_CARE:
+  2016-01-01: 681
+  2020-01-01: 706
+  2022-01-01: 736
+  2024-01-01: 786
+  2026-01-01: 812
+HOME_FOR_AGED:
+  2016-01-01: 724.6
+  2020-01-01: 749.6
+  2022-01-01: 779.6
+  2024-01-01: 829.6
+  2026-01-01: 855.6
+INSTITUTION:
+  2016-01-01: 14
+NONE:
+  2016-01-01: 0

policyengine_us/parameters/gov/states/mi/mdhhs/ssp/payment/individual.yaml

@@ -0,0 +1,36 @@
+description: Michigan provides this amount as the monthly individual payment standard under the State Supplementary Payment program.
+
+metadata:
+  unit: currency-USD
+  period: month
+  label: Michigan SSP individual payment
+  breakdown:
+    - mi_ssp_payment_category
+  reference:
+    - title: MDHHS RFT 248, SSI Payment Levels
+      href: https://mdhhs-pres-prod.michigan.gov/olmweb/ex/RF/Public/RFT/248.pdf#page=2
+    - title: MDHHS BEM 660, State SSI Payment, Legal Base
+      href: https://mdhhs-pres-prod.michigan.gov/olmweb/EX/BP/Public/BEM/660.pdf#page=4
+    - title: MCL 400.10, Social Welfare Act, supplementary payments
+      href: https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-400-10
+    - title: SSA State Assistance Programs for SSI Recipients, Michigan, Table 1
+      href: https://www.ssa.gov/policy/docs/progdesc/ssi_st_asst/2011/mi.html
+    - title: MDHHS RFT 248, SSI Payment Levels (RFB 2016-001 archive)
+      href: https://web.archive.org/web/20161223122049id_/https://dhhs.michigan.gov/OLMWEB/EX/RF/Public/RFT/248.pdf#page=2
+
+# Individual rates have not changed since 2016 across all six living
+# arrangements (verified against RFT 248 RFB 2016-001 through RFB 2026-001).
+INDEPENDENT_LIVING:
+  2016-01-01: 14
+HOUSEHOLD_OF_ANOTHER:
+  2016-01-01: 9.33
+DOMICILIARY_CARE:
+  2016-01-01: 87
+PERSONAL_CARE:
+  2016-01-01: 157.5
+HOME_FOR_AGED:
+  2016-01-01: 179.3
+INSTITUTION:
+  2016-01-01: 7
+NONE:
+  2016-01-01: 0

policyengine_us/programs.yaml

@@ -651,6 +651,12 @@ programs:
         name: Massachusetts SSP
         full_name: Massachusetts State Supplementary Payment
         variable: ma_state_supplement
+      - state: MI
+        status: complete
+        name: Michigan SSP
+        full_name: Michigan State Supplementary Payment
+        variable: mi_ssp
+        parameter_prefix: gov.states.mi.mdhhs.ssp
       - state: KS
         status: complete
         name: Kansas SSPP