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A Review on Evaluating the Direct and Indirect Loss of Natural Disasters
Wan Yu Liu
Shih Jay Jhang Jian
Taiwan is located in an area with high disaster potential, and hence natural disasters such as typhoons, earthquakes, flooding, and rock collapse often occur. A natural disaster always leads to direct losses of many lives, structures, property, and public works. This study aims to conduct a comprehensive literature review on definitions and methods of various situations for assessing the losses due to natural disasters, to provide a reference for later researchers to develop related evaluation models. This study focuses on analyzing the literature on definitions, classifications, and assessment methods of natural disasters, and classifying the methods of assessing disaster losses, including survey, econometric model, time series analysis, input-output model, computational general equilibrium model, economic growth accounting model, and so on. The results of this study show that from the academic aspect, it is required to carefully analyze the process from causes to results of the disaster; and the corresponding disaster assessment method should be adjusted according to different characteristics of the evaluation targets. During the assessment process, the disaster losses must be first observed, and then be analyzed based on the historical database. With respect to the type of disaster losses, it would be easier to assess the direct disaster loss. The academia has not had the same definition on natural disaster losses, because they adopted different measurement methods and different methods of assessing the loss value. Especially, few previous studies investigated disaster risks and losses on local-level areas. The disaster loss assessment method applied to the current stage of Taiwan is still based on disaster types. More concerns should be made on how to integrate the methods adopted between the academia and different executive units.
|Appears in Collections:||農林學報 第65卷 第04期|
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