2009 G20 London summit London Summit and to co-ordinate their actions. The meeting was organised at the initiative of German Chancellor Angela Merkel. The leaders agreed that markets, financial institutions and the wide range of financial assets they create, and hedge funds should be subject to appropriate control. In addition, they called for effective sanctions against tax havens. They also agreed to impose sanctions against countries that intend to undermine their work. Finally, they advocated the doubling of funds available to the IMF. Finance ministers and central bankers of the G20 met in Horsham on 14 March 2009 to prepare for the London Summit.
G20 According to the political economist Robert Wade: The G20's primary focus has been governance of the global economy. Summit themes have varied from year to year. The theme of the 2006 G20 ministerial meeting was "Building and Sustaining Prosperity". The issues discussed included domestic reforms to achieve "sustained growth", global energy and resource commodity markets, reform of the World Bank and IMF, and the impact of demographic changes due to an aging world population. In 2007, South Africa hosted the secretariat with Trevor A. Manuel, South African Minister of Finance as chairperson of the G20. In 2008, Guido Mantega, Brazil's