@article{economics2007-45,
 author = {Luca Antonio Ricci},
 title = {A Model of an Optimum Currency Area},
 journal = {Economics: The Open-Access, Open-Assessment E-Journal},
 volume = {1},
 year = {2007},
 number = {2007-45},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2007-45}
}