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房屋建筑的经济性不仅仅是一次性投资的造价所决定的。造价(包括征地、设计与施工费等)仅是房屋建筑经济效益的一个组成部份,此外尚有: 1.维修费; 2.更新翻修费; 3.管理费; 4.能源耗用费; 5.折算年补偿利息。图1为西德某一办公楼使用30年后的综合经济分析。在资本主义国家中有名目繁多的各种税收,并且利率高,因此除一次性投资以外的费用较高,从图中所示约占81％。显然,如果在评价房屋的经济效益中只用造价来比较是不够全面的。以下分别对这几种
The economics of building construction are determined not only by the cost of one-time investment. The cost (including land acquisition, design and construction costs, etc.) is only a part of the economic benefits of building construction, in addition there are: 1. maintenance costs; 2. update renovation costs; 3. management fees; 4. energy consumption fees; 5. Convert the annual compensation interest. Figure 1 shows a comprehensive economic analysis of an office building in West Germany after 30 years of use. There are various taxes in the capitalist countries and interest rates are high, so the costs are higher except one-time investment, which is about 81% as shown in the figure. Obviously, if only the cost of construction is used to assess the economic benefits of housing, it is not comprehensive enough. Here are the different types of