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We investigate the impact of the IMF-supported structural reform program in the 1997 Asian crisis on stock market efficiency using the before-after, with-without and event study approaches by applying a time-varying parameter model to eight Asian stock markets. All the supported countries, including Indonesia and Korea, but not Thailand, experienced significantly improved market efficiency after the implementation of the program, implying a positive effect of the program according to the before-after approach. Among the nonsupported countries, China, Taiwan and Malaysia did not improve efficiency (however, Hong Kong and Singapore did) after the start of the crisis, providing some evidence of a positive effect according to the with-without approach. The Thailand, Indonesia and Korean markets showed positive abnormal returns on the days or days following policy announcements in this IMF-supported program, indicating positive effects of the policy according to the event study approach. These findings suggest that the IMF program was successful during the 1997 Asian financial crisis and that it was helpful in resolving the recent global financial crisis. [ABSTRACT FROM AUTHOR]

This paper measures and investigates the welfare costs, other effects and recovery process of the 1997 Asian crisis, and evaluates the impact of the policy program supported by the International Monetary Fund (IMF). The main findings are as follows. First, the ratio of ‘whole cost’ to the level of consumption in a hypothetical economy is high: 50% for Indonesia, 39% for Hong Kong, 36% for Korea, 30% for Thailand and 18% for Malaysia. Second, the dynamic process of ‘cost at period t’ quickly converges to 40% immediately after the crisis, though the costs for Indonesia and Hong Kong gradually increase toward 100%. Third, the IMF-supported programs in Thailand, Indonesia and Korea were implemented straight after the peak cost. Finally, the cost of the IMF-supported program was relatively inexpensive compared with the welfare cost of the crisis. [ABSTRACT FROM AUTHOR]