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首页> 外文期刊>The Australian journal of construction economics and building >A Refined Basket of Goods Approach for Comparing Construction Costs between Countries
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A Refined Basket of Goods Approach for Comparing Construction Costs between Countries

机译：精致的商品篮方法，用于比较国家之间的建筑成本

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摘要

Most comparisons of construction industry performance require that construction costs be converted to a common base. Existing mechanisms for such conversions produce unreliable results. A proposed method for producing industry-specific conversion factors was tested using a single building type. A basket of materials and labour was identified and weighted to reflect the cost share of each item in a completed project. Prices for the basket were gathered in three cities and simple construction specific conversion indices were calculated based on the construction purchasing power of each currency. The construction purchasing power parities (CPPPs) showed marked differences from other available conversion mechanisms such as exchange rates and general purchasing power parities (PPPs) that have been used in previous international comparison studies. While the study was limited in scope, and is only the first stage of a longer process, the substantial differences in comparative costs based on purchasing power illustrate the problems inherent in international cost comparisons. For example, comparing Singapore and Sydney, Singapore costs appear to be only 40% of those in Sydney (based on exchange rates) about two-thirds the cost of Sydney (using general PPPs) or almost the same (using the preliminary CPPPs). These results illustrate the problems of converting costs from local currencies to a single base currency and suggest that further development is needed to improve the reliability of outcomes.
机译：建筑行业绩效的大多数比较都要求将建筑成本转换为共同基础。用于这种转换的现有机制产生不可靠的结果。使用单个建筑物类型测试了一种产生行业特定转换因子的建议方法。确定了一篮子材料和人工并加权，以反映已完成项目中每个项目的成本份额。篮子的价格在三个城市收集，并根据每种货币的建筑购买力计算了特定于建筑的简单转换指数。建筑购买力平价（CPPP）与以前的国际比较研究中使用的汇率和一般购买力平价（PPP）等其他可用的转换机制则显示出明显的差异。虽然研究的范围有限，并且只是较长过程的第一步，但基于购买力的比较成本的实质差异说明了国际成本比较中固有的问题。例如，与新加坡和悉尼进行比较，新加坡的成本似乎仅是悉尼成本的40％（基于汇率），大约是悉尼成本的三分之二（使用一般PPP）或几乎相同（使用初步CPPP）。这些结果说明了将成本从本地货币转换为单一基本货币的问题，并建议需要进一步发展以提高结果的可靠性。

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