Income of The Self-Employed
Income Tax. 1985;69-88 
Using Panel Data to Estimate Income Under-Reporting by the Self-Employed
The Manchester School. 2015;85(1):41-64
The Native-Immigrant Income Gap among the Self-Employed in Sweden
International Migration. 2009;49(4):118-143
An Analysis of the Factors Influencing Choice of Microcredit Sources and Impact of Participation on Household Income
Journal of International Development. 2020;32(4):505-525
Income underreporting among the self-employed: A permanent income approach
European Economic Review. 2017;92:92-109
Analysis on the Influencing Factors of Grain Farmers’ Income in Heilongjiang Reclamation
Advanced Materials Research. 2014;1028:357-362
Analysis of Empirical Research on the Factors Influencing the Change of Income Inequality
Socialiniai tyrimai. 2019;42(2):74-84
Analysis of Influencing Factors and Income Effect of Heterogeneous Agricultural Households’ Forestland Transfer
Land. 2022;11(9):1520
Physician's income and the percent female of the physician's specialty
Economics Letters. 1991;36(4):425-428
The underreporting of income by self-employed workers in Spain
SERIEs. 2012;4(4):353-371