Table 1 Overview of key previous studies on income distribution projections.

From: A dataset of income distribution on provincial, urban, and rural levels for China from 2020 to 2100

Methodology

Literature

Spatial level

Future inequality

Functional form

Top-down: Income inequality + particular functional form

Calzadilla51

Global

Constant

Lognormal

Rao et al.14

Country

Regression-based

 

Fujimori et al.17

Country

Rao et al.14

Lognormal

Soergel et al.18

Country

Rao et al.14

Lognormal

Narayan et al.16

Country

Rao et al.14

Non-parametric

Casper et al.19

U.S. State

Rao et al.14

Non-parametric

Bottom-up: Microsimulation

Hallegatte and Mauro20

Global

 

Hallegatte and Rozenberg7

Country