European Central Bank President Jean-Claude Trichet (L) and Belgium's Central Bank Governor Guy Quaden (R) take part in a forum on 'Perspectives and Challenges of the Belgian and European economies' in Liege February 23, 2011. REUTERS/Thierry Dricot (BELGIUM - Tags: BUSINESS)

European Central Bank President Jean-Claude Trichet (L) and Belgium's Central Bank Governor Guy Quaden (R) take part in a forum on 'Perspectives and Challenges of the Belgian and European economies' in Liege February 23, 2011. REUTERS/Thierry Dricot (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden addresses a forum on 'Perspectives and Challenges of the Belgian and European economies' in Liege February 23, 2011. REUTERS/Thierry Dricot (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden gestures as he presents the bank's annual report in Brussels February 14, 2011. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden presents the bank's annual report in Brussels February 14, 2011. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS HEADSHOT)

Belgium's Central Bank Governor Guy Quaden arrives to present the bank's annual report in Brussels February 14, 2011. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden arrives to present the bank's annual report in Brussels February 14, 2011. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden arrives to present the bank's annual report in Brussels February 14, 2011. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden presents the bank's annual report in Brussels February 14, 2011. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden presents the bank's annual report in Brussels February 14, 2011. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS HEADSHOT)

Belgium's Central Bank Governor Guy Quaden presents the bank's annual report in Brussels February 14, 2011. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden addresses a news conference in Brussels December 6, 2010. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden addresses a news conference in Brussels December 6, 2010. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS HEADSHOT)

Belgium's Central Bank Governor Guy Quaden arrives at a news conference in Brussels December 6, 2010. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden arrives at a news conference in Brussels December 6, 2010. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden arrives at a news conference in Brussels December 6, 2010. REUTERS/Francois Lenoir (BELGIUM - Tags: BUSINESS)

Belgium's Central Bank Governor Guy Quaden and Johan Vande Lanotte (L), the man charged by the king with breaking Belgium's five-month political impasse, are surrounded by media as they arrive for a meeting in Brussels November 8, 2010. The central bank has produced a report on the financial effects of devolving more powers to the region, arguments over which have prevented a new government from forming. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden welcomes Johan Vande Lanotte (R), the man charged by the king with breaking Belgium's five-month political impasse, in Brussels November 8, 2010. The central bank has produced a report on the financial effects of devolving more powers to the region, arguments over which have prevented a new government from forming. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden and Johan Vande Lanotte (L), the man charged by the king with breaking Belgium's five-month political impasse, arrive for a meeting in Brussels November 8, 2010. The central bank has produced a report on the financial effects of devolving more powers to the region, arguments over which have prevented a new government from forming. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden and Johan Vande Lanotte (L), the man charged by the king with breaking Belgium's five-month political impasse, arrive for a meeting in Brussels November 8, 2010. The central bank has produced a report on the financial effects of devolving more powers to the region, arguments over which have prevented a new government from forming. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden welcomes Johan Vande Lanotte (L), the man charged by the king with breaking Belgium's five-month political impasse, in Brussels November 8, 2010. The central bank has produced a report on the financial effects of devolving more powers to the region, arguments over which have prevented a new government from forming. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden welcomes Johan Vande Lanotte (L), the man charged by the king with breaking Belgium's five-month political impasse, in Brussels November 8, 2010. The central bank has produced a report on the financial effects of devolving more powers to the region, arguments over which have prevented a new government from forming. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS)

Belgian politician Johan Vande Lanotte, the man charged by the king with breaking Belgium's five-month political impasse, arrives for a meeting with Belgium's Central Bank Governor Guy Quaden in Brussels November 8, 2010. The central bank has produced a report on the financial effects of devolving more powers to the region, arguments over which have prevented a new government from forming. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden (2nd L) talks with Bart De Wever (R), the president of the Flemish right-wing party New Flemish Alliance (N-VA) at the Belgian Parliament in Brussels June 21, 2010. Belgium's King Albert has appointed Flemish separatist leader Bart De Wever to explore coalition options after parliamentary elections in which De Wever's party won the largest proportion of seats. REUTERS/Eric Vidal (BELGIUM - Tags: POLITICS ELECTIONS)

Belgium's Central Bank Governor Guy Quaden (L) talks with Bart De Wever, the president of the Flemish right-wing party New Flemish Alliance (N-VA) at the Belgian Parliament in Brussels June 21, 2010. Belgium's King Albert has appointed Flemish separatist leader Bart De Wever to explore coalition options after parliamentary elections in which De Wever's party won the largest proportion of seats. REUTERS/Eric Vidal (BELGIUM - Tags: POLITICS ELECTIONS)

Belgium's Central Bank Governor Guy Quaden arrives for a meeting with Bart De Wever, the president of the Flemish right-wing party New Flemish Alliance (N-VA) at the Belgian Parliament in Brussels June 21, 2010. Belgium's King Albert has appointed Flemish separatist leader Bart De Wever to explore coalition options after parliamentary elections in which De Wever's party won the largest proportion of seats. REUTERS/Eric Vidal (BELGIUM - Tags: POLITICS ELECTIONS)

Belgium's Central Bank Governor Guy Quaden (R) gives a news conference on the Belgian economy in Brussels December 7, 2009. REUTERS/Yves Herman (BELGIUM POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden gives a news conference on the Belgian economy in Brussels December 7, 2009. REUTERS/Yves Herman (BELGIUM POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden (R) gives a news conference on the Belgian economy in Brussels December 7, 2009. REUTERS/Yves Herman (BELGIUM POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden (C) gives a news conference on the Belgian economy in Brussels December 7, 2009. REUTERS/Yves Herman (BELGIUM POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden gives a news conference on the Belgian economy in Brussels December 7, 2009. REUTERS/Yves Herman (BELGIUM POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden gives a news conference on the Belgian economy in Brussels December 7, 2009. REUTERS/Yves Herman (BELGIUM POLITICS BUSINESS HEADSHOT)

Belgium's Central Bank Governor Guy Quaden arrives at a news conference on the Belgian economy in Brussels December 7, 2009. REUTERS/Yves Herman (BELGIUM POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden arrives at a news conference on the Belgian economy in Brussels December 7, 2009. REUTERS/Yves Herman (BELGIUM POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden arrives for a news conference on the Belgian economy in Brussels December 7, 2009. REUTERS/Yves Herman (BELGIUM POLITICS BUSINESS)

Belgium's Central Bank Governor Guy Quaden gives a news conference on the Belgian economy in Brussels December 7, 2009. REUTERS/Yves Herman (BELGIUM POLITICS BUSINESS)

Bottom row (left to right) National Bank of Belgium Governor Guy Quaden, Central Bank and Financial Services Authority of Ireland Governor Patrick Honohan, Bank of Portugal Governor Victor Manuel Ribeiro Constancio, Bank of Italy Governor Mario Draghi, President of the European Central Bank Jean Claude Trichet, Member of the Executive Board of the ECB Gertrude Gertrude Tumpel-Gugerell, European Commissioner for Economic and Monetary Affairs Joaquin Almunia, Vice-President of the ECB Lucas Papademos, from middle row (left to right) Bank of the Netherlands economic counsellor Lex Hoogduin, Bank of Slovenia Governor Ivan Sramko, Austrian Governor Aide Wolfgang Duchatczek, Austrian National Bank Governor Ewald Nowotny, Deutsche Bundesbank President Axel Weber, Bank of Slovenia Governor Marko Kranjec, Bank of France Governor Christian Noyer, Central Bank of Luxembourg Yves Mersch, back row from left, Bank of Finland Governor Erkki Liikanen, Member of the Executive Board of the ECB Lorenzo Bini Smaghi, Central Bank of Cyprus Governor Athanosios Orphanides, Bank of Spain Governor Miguel Fernandez Ordonez, Member of the Executive Board of the ECB Jose' Manuel Gonzalez-Paramo and Member of the Executive Board of the ECB Jurgen Stark pose for a family photo during the governing Council meeting of the European Central Bank (ECB) in Venice October 8, 2009. REUTERS/Stefano Rellandini (ITALY BUSINESS POLITICS)

European Central Bank (ECB) President Jean-Claude Trichet (L) and Belgium's National Bank Governor Guy Quaden arrive for a news conference at the end of an ECB Governors Council meeting in Brussels December 4, 2008. The ECB earlier cut interest rates a record 75 basis points to 2.50 percent. REUTERS/Eric Vidal (BELGIUM)

(L-R) European Central Bank (ECB) Vice President Lucas Papademos, President Jean-Claude Trichet and Belgium's National Bank governor Guy Quaden hold a news conference at the end of an ECB Governors Council meeting in Brussels December 4, 2008. The ECB earlier cut interest rates a record 75 basis points to 2.50 percent. REUTERS/Eric Vidal (BELGIUM) REUTERS/Eric Vidal (BELGIUM)

European Central Bank (ECB) President Jean-Claude Trichet (L) and Belgium's National Bank Governor Guy Quaden arrive for a news conference at the end of an ECB Governors Council meeting in Brussels December 4, 2008. The ECB earlier cut interest rates a record 75 basis points to 2.50 percent. REUTERS/Eric Vidal (BELGIUM)

(L-R) European Central Bank (ECB) Vice President Lucas Papademos, President Jean-Claude Trichet and Belgium's National Bank governor Guy Quaden hold a news conference at the end of an ECB Governors Council meeting in Brussels December 4, 2008. The ECB earlier cut interest rates a record 75 basis points to 2.50 percent. REUTERS/Eric Vidal (BELGIUM)

European Central Bank (ECB) President Jean-Claude Trichet (L) and Belgium's National Bank Governor Guy Quaden arrive for a news conference at the end of an ECB Governors Council meeting in Brussels December 4, 2008. The ECB earlier cut interest rates a record 75 basis points to 2.50 percent. REUTERS/Eric Vidal (BELGIUM)

Belgium's National Bank governor Guy Quaden speaks during an European Central Bank (ECB) Governors Council meeting in Brussels December 4, 2008. REUTERS/Dirk Waem/Pool (BELGIUM)

(Front row) European Commissioner for Finance Joaquin Almunia (2nd L), France's Minister of Economy Christine Lagarde (3rd L), European Central Bank Chairman Jean-Claude Trichet (3rd R), Belgium's National Bank Governor Guy Quaden (2nd R) and European national banks governors pose for a family picture at the start of an ECB Governors Council meeting in Brussels December 4, 2008. REUTERS/Sebastien Pirlet (BELGIUM)

(Front row) European Commissioner for Finance Joaquin Almunia (2nd L), France's Minister of Economy Christine Lagarde (3rd L), European Central Bank Chairman Jean-Claude Trichet (3rd R), Belgium's National Bank Governor Guy Quaden (2nd R) and European national banks governors pose for a family picture at the start of an ECB Governors Council meeting in Brussels December 4, 2008. REUTERS/Sebastien Pirlet (BELGIUM)

France's Minister of Economy Christine Lagarde (C) is welcomed by Belgium's National Bank Governor Guy Quaden at the start of an European Central Bank (ECB) Governors Council meeting in Brussels December 4, 2008. REUTERS/Sebastien Pirlet (BELGIUM)

(L-R) U.S. Federal Reserve Chairman Ben Bernanke, International Monetary Fund (IMF) Managing Director Dominique Strauss-Kahn, Belgium's State Secretary for Finance Bernard Clerfayt and Belgium's Governor of the National Bank Guy Quaden speak before the International Monetary and Financial Meeting (IMFC) at IMF Headquarters in Washington October 11, 2008. REUTERS/Yuri Gripas (UNITED STATES)

Belgium's National Bank Governor Guy Quaden addresses a committee hearing on the financial crisis in Brussels October 7, 2008. REUTERS/Yves Herman

Belgium's National Bank Governor Guy Quaden addresses a committee hearing on the financial crisis, in Brussels October 7, 2008. REUTERS/Yves Herman (BELGIUM)

Belgium's National Bank Governor Guy Quaden addresses a committee hearing on the financial crisis, in Brussels October 7, 2008. REUTERS/Yves Herman (BELGIUM)

Belgium's National Bank Governor Guy Quaden addresses a committee hearing on the financial crisis, in Brussels October 7, 2008. REUTERS/Yves Herman (BELGIUM)

Belgium's Finance Minister Didier Reynders (L) and National Bank Governor Guy Quaden (R) pose for photographers at the start of a Financial Task Force meeting in Brussels March 29, 2007. REUTERS/Thierry Roge (BELGIUM)

Belgium's Finance Minister Didier Reynders (R) and National Bank Governor Guy Quaden address a joint news conference at the end of a Financial Task Force meeting in Brussels March 29, 2007. REUTERS/Thierry Roge (BELGIUM)

Belgium's Finance Minister Didier Reynders (R) and National Bank Governor Guy Quaden (L) address a joint news conference at the end of a Financial Task Force meeting in Brussels March 29, 2007. REUTERS/Thierry Roge (BELGIUM)

Belgium's Finance Minister Didier Reynders (L) and National Bank Governor Guy Quaden (R) pose for photographers at the start of a Financial Task Force meeting in Brussels March 29, 2007. REUTERS/Thierry Roge (BELGIUM)

Belgium's Finance Minister Didier Reynders and National Bank Governor Guy Quaden (L) address a joint news conference at the end of a Financial Task Force meeting in Brussels March 29, 2007. REUTERS/Thierry Roge (BELGIUM)

Belgium's Finance Minister Didier Reynders (R) and National Bank Governor Guy Quaden (L) address a joint news conference at the end of a Financial Task Force meeting in Brussels March 29, 2007. REUTERS/Thierry Roge (BELGIUM)

ECOFIN President and Austrian Finance Minister Karl-Heinz Grasser (C) talks to Belgium's Finance Minister Didier Reynders (L) and Governor of the National Bank of Belgium Guy Quaden (R) prior to an informal ECOFIN meeting in Vienna April 7, 2006. European Finance Ministers are expected to discuss comments made by European Central Bank President Jean-Claude Trichet this week on the outlook for interest rates. REUTERS/Leonhard Foeger

France's Finance Minister Breton and Governor of the National Bank of Belgium Quaden await the start of the ECOFIN meeting in Manchester. France's Finance Minister Thierry Breton (L) waits with Governor of the National Bank of Belgium Guy Quaden (R) before the start of the informal ECOFIN meeting of European finance ministers and central bankers in Manchester, northern England, September 10, 2005. The European Union urged the United States on Saturday to use less oil and kept the pressure up on oil companies to curb record prices that threaten to hit the euro zone's already sluggish economic growth. REUTERS/Ian Hodgson

Belgian National Bank Governor Guy Quaden (R) holds a news conference after an ECB Governing Council meeting in Brussels October 7, 2004. [The European Central Bank left interest rates unchanged on Thursday, playing down fears of a stumbling economic recovery and expressing confidence that inflation will gradually fall despite soaring oil prices.]