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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

Table 3:

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

Family Structure and Demographics Adjusted Estimates
Welfare
Expansion
1968-1980
AFDC
Reform
Era I
1981-1987
AFDC
Reform
Era II
1988-
1995
PWORA
Era Pre-
Recession
1996-
2007
PWORA
Era Post-
Recession
2008-
2016
Components of Gini Decomposition
Share of Income from Tax and In-kind Benefits (Sk)
  Minimal 7.4% 12.0% 14.0% 15.7% 22.7%
  Limited 6.5% 7.4% 9.5% 11.5% 18.8%
  Conservative 4.3% 5.6% 7.9% 8.9% 16.4%
  Generous 4.8% 6.3% 8.9% 11.9% 19.2%
  Integrated 4.4% 4.9% 6.3% 6.9% 13.5%
Gini Coefficient for Tax and In-kind Benefits (Gk)
  Minimal 0.81 0.81 0.76 0.72 0.65
  Limited 0.80 0.82 0.79 0.75 0.69
  Conservative 0.78 0.81 0.80 0.79 0.71
  Generous 0.80 0.84 0.80 0.76 0.68
  Integrated 0.79 0.84 0.84 0.82 0.74
Correlation Coefficient for Tax and In-kind Benefits and Total Income (Rk)
  Minimal 0.22 0.22 0.10 0.05 0.20
  Limited 0.16 0.03 −0.01 −0.05 0.12
  Conservative 0.11 −0.08 −0.07 −0.12 0.09
  Generous 0.06 −0.11 −0.08 −0.05 0.13
  Integrated 0.09 −0.20 −0.18 −0.18 0.01
Estimated Impact of Tax and In-kind Benefits on Total Inequality
Proportionate Contribution to Total Inequality
  Minimal 4.3% 6.7% 3.5% 2.0% 9.9%
  Limited 2.8% 0.5% −0.3% −1.4% 5.2%
  Conservative 1.4% −1.3% −1.7% −3.2% 3.8%
  Generous 0.8% −1.8% −1.9% −1.4% 5.6%
  Integrated 1.1% −2.9% −3.4% −3.5% 4.2%
Elasticity
  Minimal −0.031 −0.052 −0.104 −0.137 −0.128
  Limited −0.037 −0.069 −0.098 −0.129 −0.136
  Conservative −0.029 −0.070 −0.097 −0.121 −0.126
  Generous −0.040 −0.081 −0.108 −0.133 −0.136
  Integrated −0.033 −0.078 −0.097 −0.103 −0.130