1. Terence, P.J.: Workers making apple iphones start at $3.15 per hour--in China, CNSNews.com, www.cnsnews.com/commentary/terence-p-jeffrey/workers-making-apple-iphones-start-315-hour-china (2019)
2. OECD. OECD Employment Outlook 2021. OECD Employment Outlook, OECD (2021). https://doi.org/10.1787/5a700c4b-en
3. Rommel, T., Walter, S.: The electoral consequences of offshoring: how the globalization of production shapes party preferences. The electoral consequences of offshoring how the globalization of production shapes party preferences in multi-party systems (2018)
4. US Census Bureau. Historical income tables: households. Census.gov, www.census.gov/data/tables/time-series/demo/income-poverty/historical-income-households.html 28 Aug 2018
5. Heeks, R.: Indian IT/software sector statistics: 1980–2015 time series data. ICTs for development. ict4dblog.wordpress.com/2015/04/28/indian-itsoftware-sector-statistics-1980–2015-time-series-data/ 28 Apr 2015