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. Author manuscript; available in PMC: 2021 Dec 1.
Published in final edited form as: Child Youth Serv Rev. 2020 Oct 29;119:105615. doi: 10.1016/j.childyouth.2020.105615

Appendix Table 2A:

Decomposition of Gini Coefficient (Welfare Income) by State Policy Cluster and Welfare Era: 1968-2016 March Current Population Survey

Unadjusted Estimates
Family Structure Adjusted Estimates
Welfare
Expansion
1968-1980
AFDC
Reform
Era I
1981-1987
AFDC
Reform
Era II
1981-1995
PWORA
Era Pre-
Recession
1996-2007
PWORA
Era Post-
Recession
2008-2016
Welfare
Expansion
1968-1980
AFDC
Reform
Era I
1981-1987
AFDC
Reform
Era II
1981-1995
PWORA
Era Pre-
Recession
1996-2007
PWORA
Era Post-
Recession
2008-2016
Components of Gini Decomposition
Share of Income from Welfare Income (Sk)
  Minimal 0.8% 0.8% 0.9% 0.6% 0.5% 0.7% 0.5% 0.6% 0.4% 0.4%
  Limited 0.9% 0.8% 0.8% 0.5% 0.4% 0.7% 0.5% 0.5% 0.3% 0.3%
  Conservative 0.6% 0.8% 0.8% 0.4% 0.4% 0.5% 0.5% 0.4% 0.3% 0.3%
  Generous 1.8% 1.9% 1.7% 0.9% 0.6% 1.3% 1.2% 1.0% 0.5% 0.4%
  Integrated 1.1% 1.4% 1.1% 0.5% 0.4% 0.8% 0.8% 0.6% 0.3% 0.3%
Gini Coefficient for Welfare Income (Gk)
  Minimal 0.95 0.94 0.93 0.96 0.97 0.96 0.96 0.96 0.97 0.98
  Limited 0.95 0.94 0.94 0.96 0.97 0.96 0.96 0.96 0.98 0.98
  Conservative 0.97 0.95 0.95 0.97 0.97 0.97 0.97 0.97 0.98 0.98
  Generous 0.93 0.91 0.91 0.94 0.96 0.95 0.94 0.95 0.97 0.97
  Integrated 0.95 0.92 0.92 0.96 0.97 0.96 0.95 0.96 0.98 0.98
Correlation Coefficient for Welfare Income and Total Income (Rk)
  Minimal −0.27 −0.13 −0.22 −0.29 −0.29 −0.28 −0.15 −0.24 −0.29 −0.32
  Limited −0.30 −0.24 −0.27 −0.26 −0.26 −0.29 −0.25 −0.30 −0.28 −0.26
  Conservative −0.40 −0.38 −0.36 −0.34 −0.26 −0.36 −0.33 −0.32 −0.30 −0.23
  Generous −0.44 −0.43 −0.40 −0.34 −0.26 −0.43 −0.39 −0.36 −0.32 −0.24
  Integrated −0.45 −0.48 −0.44 −0.38 −0.32 −0.44 −0.46 −0.41 −0.38 −0.31
Estimated Impact of Welfare Income on Total Inequality
Proportionate Contribution to Total Inequality
  Minimal 0.7% −0.3% −0.6% −0.5% −0.4% −0.6% −0.3% −0.5% −0.4% −0.3%
  Limited −0.8% −0.6% −0.7% −0.4% −0.3% −0.6% −0.4% −0.5% −0.3% −0.2%
  Conservative −0.9% −0.9% −0.8% −0.4% −0.3% −0.6% −0.5% −0.5% −0.3% −0.2%
  Generous −2.5% −2.3% −1.9% −0.8% −0.4% −1.9% −1.5% −1.2% −0.5% −0.3%
  Integrated −1.7% −1.9% −1.5% −0.6% −0.4% −1.3% −1.2% −0.8% −0.4% −0.3%
Elasticity
  Minimal −0.015 −0.011 −0.015 −0.011 −0.009 −0.013 −0.008 −0.011 −0.008 −0.007
  Limited −0.016 −0.014 −0.015 −0.009 −0.007 −0.013 −0.009 −0.010 −0.006 −0.005
  Conservative −0.015 −0.017 −0.016 −0.008 −0.007 −0.011 −0.010 −0.009 −0.005 −0.004
  Generous −0.042 −0.042 −0.036 −0.017 −0.010 −0.033 −0.027 −0.022 −0.010 −0.006
  Integrated −0.028 −0.033 −0.026 −0.011 −0.008 −0.021 −0.019 −0.014 −0.007 −0.005