This editorial argues that informal employment does exist in developed countries and needs to be studied as such to complement the existing literature mostly published on informal work in developing countries.
Crotty J. Slow growth, destructive competition, and low road labor relations: a Keynes–Marx–Schumpeter analysis of neoliberal globalization, http://tinyurl.com/z35mn6x (2000, accessed 9 May 2016).