The following acknowledgement was omitted from the final version of the article:
Acknowledgement
The author would like to thank Malte Luebker (ILO) and Yamila Simonovsky for providing the compiled data on domestic workers, and Malte Luebker and the reviewers for their helpful comments. Special thanks are due to Markus Jokela (University of Helsinki) for his valuable comments on the writing of this article. This work was supported by the Finnish doctoral program LabourNet.