Altan-Olcay, Ö. and E. Balta. (2020). The American Passport in Turkey: National Citizenship in the Age of Transnationalism. Philadelphia: University of Pennsylvania Press.
Bauböck, R. (2019). ‘Genuine links and useful passports: evaluating strategic uses of citizenship.’ Journal of Ethnic and Migration Studies 45(6), 1015-1026.
Brubaker, R. (2015). Grounds for Difference. Cambridge: Harvard University Press.
Cook-Martin. (2013). The Scramble for Citizens: Dual Nationality and State Competition for Immigrants. Stanford: Stanford University Press.
Džankić, J. (2019). The Global Market for Investor Citizenship. Basingstoke: Palgrave.
Džankić, J. (2012). ‘The pros and cons of ius pecuniae: investor citizenship in comparative perspective.’ RSCAS Working Paper 14/2012. https://cadmus.eui.eu/handle/1814/21476.
Džankić, J. (2015). ‘Investment-based citizenship and residence programmes in the EU.’ RSCAS Working Paper 8/2015. https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2558064.
Džankić, J. (2018). ‘Immigrant investor programmes in the European Union (EU).’ Journal of Contemporary European Studies 26(1), 64-80.
Erez, L. (2019). ‘In for a Penny, or: If you Disapprove of Investment Migration, Why Do You Approve of High-Skilled Migration?’ Moral Philosophy and Politics, 1.
European Commission. (2019, January 23). Report from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions. Investor Citizenship and Residence Schemes in the European Union. European Commission, Brussels, Belgium. https://ec.europa.eu/info/sites/info/files/com_2019_12_final_report.pdf.
European Parliament. (2018). Draft Report on financial crimes, tax evasion and tax avoidance. https://www.europarl.europa.eu/cmsdata/156723/TAX3%20Final%20draft%20report.pdf.
Goodman, SW. (2011). ‘Controlling immigration through language and country knowledge requirements.’ West European Politics 34(2), 235-255.
Harpaz, Y. (2019). Citizenship 2.0: dual Nationality as a global asset. Princeton: Princeton University Press.
Harpaz, Y. and P. Mateos. (2019). ‘Introduction: Strategic Citizenship: Negotiating Membership in the Age of Dual Nationality.’ Journal of Ethnic and Migration Studies 45(6), 843-857.
Joppke, C. (2010). Citizenship and Immigration. Cambridge: Polity Press.
Joppke, C. (2019). ‘The Instrumental Turn of Citizenship.’ Journal of Ethnic and Migration Studies 45(6), 858-878.
Kostakopoulou, D. (2019). ‘Matters of control: Integration tests, naturalisation reform and probationary citizenship in the United Kingdom.’ Journal of Ethnic and Migration Studies 36(5), 829-846.
Kudryashova, S. (2020). ‘The “Sale” of Conditional Citizenship: the Cyprus Investment Programme under the Lens of EU Law.’ In Nathan Cambien, Dimitry Kochenov, and Elise Muir (Eds.) European Citizenship under Stress. Leiden: Brill Nijhoff.
Orgad, L. (2018). ‘Review of At Home in Two Countries: The Past and Future of Dual Citizenship. By Peter J. Spiro.’ American Journal of International Law 112(4), 789-795.
Piketty, T. (2014). Capital in the Twenty First Century. Harvard University Press.
Pogonyi, S. (2017). Extra-Territorial Ethnic Politics, Discourses and Identities in Hungary. Basingstoke: Palgrave Macmillan.
Shachar, A. (2009). The Birthright Lottery: Citizenship and Global Inequality. Cambridge: Harvard University Press.
Shaw, J. (2020). The People in Question. Citizens and Constitutions in Uncertain Times. Bristol: Bristol University Press.
Spiro, P. (1997). ‘Dual nationality and the Meaning of Citizenship.’ Emory Law Journal 46(4), 1412-1443.
Spiro, P. (2018). ‘The Equality Paradox of Dual Citizenship.’ Journal of Ethnic and Migration Studies 45(6), 879-896.
Stadlmair, J. (2018). ‘Earning citizenship. Economic criteria for naturalisation in nine EU countries.’ Journal of Contemporary European Studies 26(1), 42-63.
Surak, K. (2020). ‘Millionaire mobility and the sale of citizenship.’ Journal of Ethnic and Migration Studies, 1-24.
Transparency International. (2019). European Getaway: Inside the Murky Waters of Golden Visas. http://transparency.eu/wp-content/uploads/2018/10/REPORT-European-Getaway-Inside-the-Murky-World-of-Golden-Visas_web.pdf.
Vink, MP.and G-R De Groot. (2010). ‘Citizenship attribution in Western Europe: International framework and domestic trends.’ Journal of Ethnic and Migration Studies 36(5), 713-734.
Vink, M., Schakel, A. H., Reichel, D., Luk, N. C., & de Groot, G. R. (2019). ‘The international diffusion of expatriate dual citizenship.’ Migration Studies 7(3), 362-383.
Young, I. (1990). Justice and the Politics of Difference. Princeton: Princeton University Press.