books.google.com.au - The seventh edition of 'Economics of Monetary Union' provides a concise analysis of the theories and policies relating to monetary union. De Grauwe analyses the costs and benefits associated with having one currency as well as the practical workings and current issues involved with the Euro. In the...http://books.google.com.au/books/about/Economic_of_monetary_union.html?id=cmbfGPIt9XkC&q=symmetry&utm_source=gb-gplus-shareEconomic of monetary union