09/11/2004 (Agence Europe) - The European Central Bank of Belgium has just published a study on asymmetric growth and inflation development in the 10 new acceding countries of the EU compared to the Euro-zone between 1995-03. The scale of this asymmetry "is an important indicator of the economic costs of these countries might incur when adopting the euro", affirmed a press release. The bank also explains that, "if a new Member State is subject to considerable asymmetries, there may be a case for keeping more independent monetary or exchange rate policies as an adjustment mechanism". The bank points out that, "Although previous studies mainly concentrated on diverging developments in economic active, the asymmetric behaviour of inflation is equally important in the perspective of ERM II and the adoption of the euro. (Research series: N.63-http://www.nbb.be ).