Usda disabled

openfisca_us/parameters/usda/disabled_programs.yaml

@@ -0,0 +1,14 @@
+description: Program participation that qualify individuals as disabled under USDA rules
+
+values:
+  2021-01-01:
+  - is_ssi_disabled
+  - ssdi
+  - is_permanently_disabled_veteran
+  - is_surviving_spouse_of_disabled_veteran
+  - is_surviving_child_of_disabled_veteran
+
+metadata: 
+  reference:
+  - title: 'SNAP Special Rules for the Elderly or Disabled'
+    href: https://www.fns.usda.gov/snap/eligibility/elderly-disabled-special-rules#Who%20is%20elderly?

openfisca_us/tests/policy/baseline/usda/is_usda_disabled.yaml

@@ -0,0 +1,26 @@
+- name: People without any disability flags are not USDA disabled
+  period: 2021
+  input:
+    people:
+        person_1:
+          age: 30
+  output:
+    is_usda_disabled: False
+
+- name: SSI disabled people are USDA disabled
+  period: 2021
+  input:
+    people:
+        person_1:
+          is_ssi_disabled: True
+  output:
+    is_usda_disabled: True
+
+- name: People receiving SSDI are USDA disabled
+  period: 2021
+  input:
+    people:
+        person_1:
+          ssdi: 100
+  output:
+    is_usda_disabled: True

openfisca_us/variables/demographic/person.py

@@ -92,3 +92,31 @@ class is_citizen(Variable):
     entity = Person
     label = u"Is a U.S. citizen"
     definition_period = YEAR
+
+
+class is_permanently_disabled_veteran(Variable):
+    value_type = bool
+    entity = Person
+    definition_period = YEAR
+    documentation = (
+        "Indicates whether a person is a permanently disabled veteran"
+    )
+    label = "Permanently disabled veteran"
+
+
+class is_surviving_spouse_of_disabled_veteran(Variable):
+    value_type = bool
+    entity = Person
+    definition_period = YEAR
+    documentation = "Indicates whether a person is a surviving spouse of a disabled veteran"
+    label = "Surviving spouse of disabled veteran"
+
+
+class is_surviving_child_of_disabled_veteran(Variable):
+    value_type = bool
+    entity = Person
+    definition_period = YEAR
+    documentation = (
+        "Indicates whether a person is a surviving child of a disabled veteran"
+    )
+    label = "Surviving child of disabled veteran"

openfisca_us/variables/ssa/ssdi.py

@@ -0,0 +1,11 @@
+from openfisca_core.model_api import *
+from openfisca_us.entities import *
+from openfisca_us.tools.general import *
+
+
+class ssdi(Variable):
+    value_type = float
+    entity = Person
+    definition_period = YEAR
+    documentation = "Social Security Disability Insurance amount"
+    label = "Social Security Disability Insurance"

openfisca_us/variables/ssa/ssi.py

@@ -0,0 +1,11 @@
+from openfisca_core.model_api import *
+from openfisca_us.entities import *
+from openfisca_us.tools.general import *
+
+
+class is_ssi_disabled(Variable):
+    value_type = bool
+    entity = Person
+    definition_period = YEAR
+    documentation = "Indicates whether a person is disabled for the Supplemental Security Income program"
+    label = "SSI disabled"

openfisca_us/variables/usda/snap.py

@@ -9,14 +9,16 @@ class snap_gross_income(Variable):
     value_type = float
     entity = SPMUnit
     definition_period = YEAR
-    label = "SPM unit's gross income for calculating SNAP eligibility"
+    documentation = "Gross income for calculating SNAP eligibility"
+    label = "SNAP gross income"
 
 
 class snap_earnings_deduction(Variable):
     value_type = float
     entity = SPMUnit
     definition_period = YEAR
-    documentation = ""
+    documentation = "Earnings deduction for calculating SNAP benefit amount"
+    label = "SNAP earnings deduction"
 
     def formula(spm_unit, period, parameters):
 
@@ -32,13 +34,15 @@ class is_disabled_or_elderly_for_snap(Variable):
     entity = Person
     definition_period = YEAR
     documentation = "Indicates that a person is defined as disabled or elderly based on the USDA definition"
+    label = "Is disabled or elderly for SNAP"
 
 
 class snap_standard_deduction(Variable):
     value_type = float
     entity = SPMUnit
     definition_period = YEAR
-    documentation = ""
+    documentation = "Standard deduction for calculating SNAP benefit amount"
+    label = "SNAP standard deduction"
 
     def formula(spm_unit, period, parameters):
 
@@ -56,7 +60,8 @@ class snap_net_income_pre_shelter(Variable):
     value_type = float
     entity = SPMUnit
     definition_period = YEAR
-    documentation = ""
+    documentation = "Net income before shelter deduction, needed as intermediate to calculate shelter deduction"
+    label = "SNAP net income pre-shelter"
 
     def formula(spm_unit, period, parameters):
 
@@ -79,7 +84,10 @@ class snap_shelter_deduction(Variable):
     value_type = float
     entity = SPMUnit
     definition_period = YEAR
-    documentation = ""
+    documentation = (
+        "Excess shelter deduction for calculating SNAP benefit amount"
+    )
+    label = "SNAP shelter deduction"
 
     def formula(spm_unit, period, parameters):
         # TODO: MUltiply params by 12.
@@ -112,15 +120,19 @@ class has_elderly_disabled(Variable):
     value_type = bool
     entity = SPMUnit
     label = "Has elderly disabled"
-    documentation = "Whether the SPM unit has elderly disabled people"
+    documentation = (
+        "Whether elderly or disabled people, per USDA definitions, are present"
+    )
+    label = "Elderly or disabled person present"
     definition_period = YEAR
 
 
 class snap_net_income(Variable):
     value_type = float
     entity = SPMUnit
     definition_period = YEAR
-    documentation = ""
+    documentation = "Final net income, after all deductions"
+    label = "SNAP net income"
 
     def formula(spm_unit, period, parameters):
 
@@ -130,11 +142,11 @@ def formula(spm_unit, period, parameters):
 
 
 class snap_expected_contribution_towards_food(Variable):
-
     value_type = float
     entity = SPMUnit
     definition_period = YEAR
-    documentation = ""
+    documentation = "Expected food contribution from SNAP net income"
+    label = "SNAP expected good contribution"
 
     def formula(spm_unit, period, parameters):
         # TODO: Use the parameter
@@ -150,7 +162,8 @@ class snap_max_benefit(Variable):
     value_type = float
     entity = SPMUnit
     definition_period = YEAR
-    documentation = ""
+    documentation = "Maximum benefit for SPM unit, based on the state group and household size."
+    label = "SNAP maximum benefit"
 
     def formula(spm_unit, period, parameters):
 
@@ -163,11 +176,11 @@ def formula(spm_unit, period, parameters):
 
 
 class snap(Variable):
-
     value_type = float
     entity = SPMUnit
     definition_period = YEAR
-    documentation = ""
+    documentation = "Final SNAP benefit amount, equal to net income minus food contribution"
+    label = "SNAP benefit amount"
 
     def formula(spm_unit, period, parameters):
         # TODO: Add gross and net income checks.

openfisca_us/variables/usda/usda.py

@@ -3,6 +3,23 @@
 from openfisca_us.tools.general import *
 
 
+class is_usda_disabled(Variable):
+    value_type = bool
+    entity = Person
+    definition_period = YEAR
+    documentation = "Disabled according to USDA criteria"
+    label = "USDA disabled status"
+
+    def formula(person, period, parameters):
+        disabled_programs = parameters(period).usda.disabled_programs
+
+        return where(
+            np.any([person(program, period) for program in disabled_programs]),
+            1,
+            0,
+        )
+
+
 class is_usda_elderly(Variable):
     value_type = bool
     entity = Person