[
Bernabe, S. (2002). Informal employment in countries in transition: A conceptual framework. LSE STICERD Research Paper No. CASE056. https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1158947
]Search in Google Scholar
[
Bonnet, F., Vanek, J., and Chen, M. (2019). Women and Men in the Informal Economy – A Statistical Brief. Manchester, UK: WIEGO https://www.ilo.org/wcmsp5/groups/public/---ed_protect/---protrav/---travail/documents/publication/wcms_711798.pdf
]Search in Google Scholar
[
Buehn, A. and Schneider, F. (2012). Shadow economies around the world: Novel insights, accepted knowledge, and new estimates. International Tax and Public Finance, 19, 139–171. https://econpapers.repec.org/RePEc:kap:itaxpf:v:19:y:2012:i:1:p:139-17110.1007/s10797-011-9187-7
]Search in Google Scholar
[
Chowdhury, H. U. et al. (2005). Informal economy, governance, and corruption. Philippine Journal of Development, 32(2),103–134. https://econpapers.repec.org/RePEc:phd:pjdevt:pjd_2005_vol__xxxii_no__2-c
]Search in Google Scholar
[
Dreher, A. and Schneider, F. (2010). Corruption and the shadow economy: an empirical analysis. Public Choice, 144(1), 215–238. https://link.springer.com/article/10.1007/s11127-009-9513-010.1007/s11127-009-9513-0
]Search in Google Scholar
[
Fabris, N. (2022). Impact of Covid-19 Pandemic on Financial Innovation, Cashless Society, and Cyber Risk. ECONOMICS- Innovative and Economics Research, 10(1), 73-86. https://doi.org/10.2478/eoik-2022-000210.2478/eoik-2022-0002
]Search in Google Scholar
[
Günther, I. and Launov, A. (2012). Informal employment in developing countries: Opportunity or last resort? Journal of development economics, 97(1),88–98. 10.1016/j.jdeveco.2011.01.001
]Search in Google Scholar
[
Hussmanns, R. (2004a). Measuring the informal economy: From employment in the informal sector to informal employment. Policy Integration Department, Bureau of Statistics, International Labour Office. https://www.ilo.org/wcmsp5/groups/public/---dgreports/---integration/documents/publication/wcms_079142.pdf
]Search in Google Scholar
[
Hussmanns, R. (2004b). Statistical definition of informal employment: Guidelines endorsed by the seventeenth international conference of labour statisticians (2003). In 7th Meeting of the Expert Group on Informal Sector Statistics (Delhi Group), pages 2–4. https://ilo.org/public/english/bureau/stat/download/papers/def.pdf
]Search in Google Scholar
[
ILO (2011). Statistical update on employment in the informal economy.
]Search in Google Scholar
[
ILO (2018a). Informality and non-standard forms of employment. International Labour Office, Buenos Aires.
]Search in Google Scholar
[
ILO (2018b). Women and men in the informal economy. International Labour Office, Geneve, Switzerland, 3 edition.
]Search in Google Scholar
[
ILOSTAT (2020). Indicator description: Informality - ilostat. https://ilostat.ilo.org/resources/concepts-and-definitions/description-informality/ (Accessed on 05/03/2022).
]Search in Google Scholar
[
Jütting, J., Parlevliet, J., and Xenogiani, T. (2008). Informal employment re-loaded. IDS bulletin, 39(2), 28–36. 10.1111/j.1759-5436.2008.tb00442.x10.1111/j.1759-5436.2008.tb00442.x
]Search in Google Scholar
[
Khuong, N. V., Shabbir, M. S., Sial, M. S., & Khanh, T. H. T. (2021). Does informal economy impede economic growth? Evidence from an emerging economy. Journal of Sustainable Finance & Investment, 11(2), 103-122. https://doi.org/10.1080/20430795.2020.171150110.1080/20430795.2020.1711501
]Search in Google Scholar
[
Kucera, D. and Roncolato, L. (2008). Informal employment: Two contested policy issues. International Labour Review, 147(4), 321–348. http://www.ilo.int/legacy/english/protection/travail/pdf/rdwpaper24c.pdf10.1111/j.1564-913X.2008.00039.x
]Search in Google Scholar
[
Mastilo, Z. (2015). Analysis of the unemployment structure of highly educated personnel in the Republic of Srpska and measures for its reduction. ECONOMICS-Innovative and Economics Research, 3(1), 21-36. https://doi.org/10.1515/eoik-2015-000110.1515/eoik-2015-0001
]Search in Google Scholar
[
Mehran, F. (2015). Are differences in national definitions of informal employment and employment in the informal sector necessary? WIEGO Statistical Brief No. 14, 14(sup1). https://www.wiego.org/sites/default/files/publications/files/Mehran-National-Definitions-informal-Employment-WIEGO-SB14.pdf
]Search in Google Scholar
[
Mikulic, D. and Nagyszombaty, A. G. (2013). Causes of the unofficial economy in new eu member states. Econ. Res.-Ekon. Istraz., 26, 29–44. https://hrcak.srce.hr/13311910.1080/1331677X.2013.11517638
]Search in Google Scholar
[
Putnins, T. J. and Sauka, A. (2011). Size and determinants of shadow economies in the baltic states. Baltic Journal of Economics, 11(2), 5–25. https://www.tandfonline.com/doi/abs/10.1080/1406099X.2011.10840498
]Search in Google Scholar
[
Rosenbluth, G. (1994). The informal sector and poverty in Latin America. Revista CEPAL. https://repositorio.cepal.org/handle/11362/1048310.18356/68a70e5c-en
]Search in Google Scholar
[
Schneider, F. and Buehn, A. (2017). Shadow Economy: Estimation Methods, Problems, Results and Open questions. Open Economics, 1(1), 1–29. https://www.degruyter.com/document/doi/10.1515/openec-2017-0001/html?lang=en
]Search in Google Scholar
[
Schneider, F., Buehn, A., and Montenegro, C. (2010). Shadow economies all over the world: New estimates for 162 countries from 1999 to 2007. University of Chile, Department of Economics, Working Papers. https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1645726
]Search in Google Scholar
[
Schneider, F., Krstic, G., Arsic, M., and Ranelovic, S. (2015). What Is the Extent of the Shadow Economy in Serbia? In Krstic, G. and Schneider, F., editors, Formalizing the Shadow Economy in Serbia, Contributions to Economics, chapter 0, 47–75. Springer. https://link.springer.com/book/10.1007/978-3-319-13437-6
]Search in Google Scholar
[
Webb, A., McQuaid, R. and Rand, S. (2020), “Employment in the informal economy: implications of the COVID-19 pandemic”. International Journal of Sociology and Social Policy, 40 (9/10), 1005-1019. https://doi.org/10.1108/IJSSP-08-2020-037110.1108/IJSSP-08-2020-0371
]Search in Google Scholar
[
Williams, C. C. and Lansky, M. A. (2013). Informal employment in developed and developing economies: Perspectives and policy responses. International Labour Review, 152(3-4), 355–380. https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1564-913X.2013.00196.x10.1111/j.1564-913X.2013.00196.x
]Search in Google Scholar
[
World Bank (2019). Global economic prospects, January 2019. World Bank Publications. Washington, D.C., DC. https://openknowledge.worldbank.org/handle/10986/31066
]Search in Google Scholar