Several estimates indicate that, given the additional demand for reserves, the world could absorb annual allocations of $200-300 billion or even more. This has prompted many – including People’s Bank of China Governor Zhou Xiaochuan; the United Nations-backed Stiglitz Commission; the Palais-Royal Initiative, led by former IMF Managing Director Michel Camdessus; and the Triffin International Foundation – to call for changes to the international monetary system.