最適通貨圏
org/economics/journalarticles/2008-8.
↑ Caporaso, James; Durrett, Warren; Kim, Min (December 2014). “Still a regulatory state? The European Union and the financial crisis”. Journal of European Public Policy. doi:10.1080/13501763.2014.988638. http://www.tandfonline.com/doi/abs/10.1080/13501763.2014.988638?journalCode=rjpp20#preview 2015年1月閲覧。.
↑ See map of regions
↑ Kouparitsas, Michael A. (2001). “Is the United States an optimum currency area? An empirical analysis of regional business cycles”. Federal Reserve Bank of Chicago Working Paper 2001-21. http://www.chicagofed.org/digital_assets/publications/working_papers/2001/Wp2001-22.pdf.