Supportive Services (IHSS) Program, Adoption Assistance
Program (AAP)/Aid Adoption of Children (AAC), Approved
Relative Caregiver (ARC) program, Cash Assistance Program
for Immigrants-Qualied (CAPI-Qualied) Aliens, Entrant
Cash Assistance (ECA), Foster Care, Former Foster, KinGAP
Cash Assistance, and Refugee Cash Assistance (RCA), and
the Tracking and Crime Victims Assistance Program
(TCVAP).
Comparing to other estimates: Our estimates of the
number of individuals who receive SNAP in California and
are in the Stimulus Gap are higher than those released by the
Center for Budget and Policy Priorities, which estimated in
October 2020 that 1.1 million Californians enrolled in SNAP
or Medicaid are non-lers. Our estimates likely dier because
we use more granular administrative data, eligibility rules
changed in subsequent legislation, we account for households
who only led taxes in 2018, and we capture enrollments
through the rst ve months of the pandemic — when
SNAP enrollments in California reached their highest-levels
ever. Additionally, the IRS estimates that as of October
2020, 1.1 million Californians with earned income did not
receive their stimulus payments. The gures from the IRS
use W-2s and 1099s and thus do not include Californians
without earned income — who make up a signicant part of
our Stimulus Gap estimates. The IRS also estimates that as of
January 2021, after the Non-Filers Tool closed, approximately
8 million households in America had not received their
stimulus payment. Assuming that 11–12% of those individuals
live in California (roughly the percent of Americans who live
below 100–200% of the federal poverty level in California),
that leaves at least 1 million California households who have
yet to receive any payments. Note that the IRS estimates do
not include dependents who are newly eligible for the third
round of stimulus — which we estimate to be an additional
360,000 among safety-net enrollees.
Estimating the number of CDSS program enrollees
who used the IRS Non-Filers Tool. We use IRS-
provided numbers for our assumption that 50% of those
in the Stimulus Gap used the IRS Non-Filers Tool. Shortly
before decommissioning the tool, the IRS reported that 8.1
million households had used it. In January 2021, the Treasury
Department noted that 8 million additional households were
eligible but had not claimed stimulus payments. This suggests
that roughly half of Americans who did not automatically
receive their stimulus payments used the Non-Filers Tool.
We arrived at similar estimates using a more complex
calculation (see Table A1). We start with the IRS report of
8.1 million returns submitted through the Non-Filers Tool.
We assume these returns represent 11.3 million individuals,
given that the average case size among households in the
Stimulus Gap while the Non-Filers Tool was open was
around 1.4 individuals. We use the proportion of Californians
in the U.S., the proportion of Americans around the
federal poverty level (FPL) and 200% of the FPL who live
in California, and the percent of households nationally who
claimed the EITC in California last year to generate a range
of estimates of the number of Californians who used the
tool. These estimates range from 11–12%. We assume
that not all Californians who used the Non-Filers Tool are
CDSS enrollees, but that all users of the Non-Filers Tool are
enrolled in Medicaid. This is a conservative assumption: it is
likely that some Californians who used the Non-Filers Tool
are enrolled in no safety-net programs, which would increase
our Gap estimates. Total CDSS enrollment numbers from
August 2019–July 2020 represent roughly 54% of Medi-Cal
enrollments in July 2020. In Table A1, we use an adjustment
to assume that approximately 54% of the California volume
of IRS Non-Filers Tool use came from CDSS enrollees.
We also keep constant the 357,075 dependents eligible for
the latest round of stimulus payments, since they did not
have the opportunity to use the Non-Filers Tool, as well as
the 424,150 TY 2018-only Filers.
How federal-only returns impact our estimates
The nal column of Table A1 adjusts for the share of
Californians in the Stimulus Gap who may have led only a
federal tax return, in addition to adjusting for use of the IRS
Non-Filers Tool, and therefore do not appear in the state
tax data. When we compare the volume of TY 2018 federal
returns the IRS received from Californians with the volume of
TY 2018 state returns in the FTB data used for this analysis
(among returns with a positive AGI under $25,000), we
estimate that the IRS received an additional 525,102 returns,
covering 747,358 Californians. The proportion of federal-only
returns in California belonging to those enrolled in CDSS
programs is unknown, but we apply the same Medicaid
adjustments we used to adjust the Non-Filers Tool volume.
While these adjustments impact the volume and magnitude
of the issue, we do not believe these returns will greatly
impact the breakdowns of the Stimulus Gap by program,
race/ethnicity, language, or geography.
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THE STIMULUS GAP: CALIFORNIANS COULD MISS BILLIONS IN FEDERAL STIMULUS PAYMENTS
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