Yuan can become alternative reserve currency to US dollar-ADB
* Internationalisation of yuan may be rapid process-ADB
* Yuan to push world toward multi-currency reserve system
* Capital controls can help economic management
HONG KONG, June 24 (Reuters) - China's yuan could rapidly become an internationally used currency and serve as an alternative to the U.S. dollar in central bank reserves, the Asian Development Bank said in a report on Thursday.
"The renminbi has yet to become an international currency. It could become one much more quickly than many anticipate," the ADB said in a joint study with Columbia University's the Earth Institute.
"The internationalization of the renminbi has the potential to become an alternative to the U.S. dollar -- as did the euro -- and help nudge the global reserve system toward a multi-currency reserve structure," it said.
The study, undertaken by 11 economists from around the world, including academics Joseph Stiglitz and Barry Eichengren, did not provide a timeline for when the yuan could become a reserve currency.
Most analysts expect it to be fully convertible by 2020, the target date set by Beijing to make Shanghai an international financial centre.
Global financial markets have focused intensely this week on the yuan, or renminbi as it is also called, after China's central bank pledged at the weekend to increase currency flexibility after pegging the yuan to the U.S. dollar for nearly two years.
The yuan CNY=CFXS has moved in a wider range in the spot market since then, though it has only appreciated about 0.2 percent against the dollar.
The ADB study, entitled "The Future Global Reserve System -- An Asian Perspective", recommended having Asia's vast currency reserves play a more important role in stabilising the global financial system, through swap lines, the International Monetary Fund's Special Drawing Rights (SDRs) and other borrowing.
The global financial crisis, which originated in the U.S. housing market, has sparked a growing discussion among policy makers and academics that the world should no longer rely on a single, dominant currency, such as the dollar, as it has done since the end of the gold standard.
The ADB study also endorsed the use of capital controls as a tool to strengthen management of an economy, with the caveat that they are temporary and coordinated.
"These controls on the flow of capital tend to be more effective when done on a coordinated basis across countries that are targets of rapid capital movements, rather than individual countries reacting unilaterally," the report said.
Taiwan implemented capital controls in November 2009, and Indonesia took steps to manage capital inflows last week. South Korea is planning to tighten currency derivative trading caps for foreign banks.
The study also said a common Asian currency is not a realistic goal, and regional monetary coordination should stop short of pegging currencies in the region.
Since 2000, global foreign exchange reserves have grown by a staggering $6.15 trillion and stood at $8.09 trillion at the end of 2009, or 14 percent of the world's gross domestic product, International Monetary Fund figures showed.
China and Japan together hold about 43 percent of global reserves.
For the ADB study, click on: here <^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Full coverage on China's "new" yuan policy [ID:nCHINATAKE]
PDF on yuan r.reuters.com/fuk43m
Yuan market reports [CNY/]
Yuan microsite china.thomsonreuters.com/yuan/
Yuan graphics r.reuters.com/byq23m
-- Yuan to rise coming days link.reuters.com/num43m
-- Yuan/dlr rate important link.reuters.com/nud53m
-- Yuan to rise before G20 link.reuters.com/jes92m
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^> (Reporting by Kevin Plumberg; Editing by Kim Coghill)
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