Table 3 Decomposition of the Gini coefficient by income source (2003 and 2020).

From: Population ageing and income inequality in rural China: an 18-year analysis

Source

2003

2020

Sk

Gk

Rk

Share

% Change

Sk

Gk

Rk

Share

% Change

wage and salary

0.229

0.701

0.501

0.184

−0.046

0.509

0.545

0.675

0.478

−0.031

business

0.652

0.579

0.818

0.705

0.053

0.345

0.762

0.690

0.463

0.118

property

0.014

0.934

0.366

0.011

−0.003

0.035

0.825

0.310

0.023

−0.012

transfer

0.105

0.826

0.508

0.101

−0.004

0.111

0.679

0.190

0.037

−0.075

Total income

0.438

0.392

  1. The last column of the table of results (% Change) refers to the impact that a 1% change in the respective income source will have on inequality. Four additional elements are included in the table of results: the share of each income source in total income (Sk), the source Gini (Gk), the Gini correlation of income from source k with the distribution of total income (Rk), and the share of each income source in total inequality.
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