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They have generated considerable international interest and helped position NTU and Singapore as a prominent site for the study of Asia . Our high living standards are at risk and chronic unemployment threatens as we are outstripped by countries such as Sweden , Spain and Singapore in areas that affect productivity . Other cities that have done well are Tokyo , Hong Kong and Singapore although the Pacific Asian financial crisis of the late 1990s reminds us that the dynamism in the network can work both ways , Friedmann ( 1995 ) , in particular , has emphasized the volatility in winners and losers among world cities . We also have joined Indonesia and Singapore in establishing a model avian influenza-free province in Tamarang , Indonesia , to develop best practices to prevent infection and spread of avian influenza in both animals and humans .