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首页> 外文期刊>Current Journal of Applied Science and Technology >Investigation on the Influence of Building Materials Price Fluctuation on Cost of Building Products in Nigeria
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Investigation on the Influence of Building Materials Price Fluctuation on Cost of Building Products in Nigeria

机译：建筑材料价格波动对尼日利亚建筑产品成本影响的调查

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Volatility in the fluctuation of prices of building materials has made price forecast on the cost of the materials less reliable in building project management in Nigeria. In the light of this, the study examines the causes of the constant increase in the prices, as well as the implication of the price fluctuation on building projects in the study area. Survey research designs used to gather information for the study are non-parametric in nature. Data were analyzed using chi-square and likert scale to rank the various factors involved in the price fluctuation, as well as the effects of the variation on building projects respectively. Other analytical tools are price index for the rate of changes in the prices of the materials from time to time on average, and simple regression analysis for the relationship between changes in the average price of building materials and the average house rent within the last ten years. Findings reveal that inflation, force of demand and supply, and exchange rate, as economic factors among others are the most significant ones responsible for the building materials price fluctuations in the study area. Difficulty in forecast and planning, project cost overrun, as well as shortage and high cost of accommodation however, are found as the most common effects of the building materials price fluctuations. Besides, the mean un-weighted aggregate price index, and the mean house rent index for each of the successful year are discovered to be 11.02% and 8.73% respectively. Increase in the aggregate price of the building materials however caused approximately a proportional increase in the house rent, especially in the early part of the period. The variables therefore have a positive and linear relationship with the regression model of Y=5776+0.98x_(i), as derived from Equ.6. It is therefore recommended that research, development and improvement on local material resources be encouraged by the government and the construction stakeholders with legislative instruments against the importation of the basic building materials in Nigeria. Nevertheless, an appropriate framework designed with the aggregate building materials price indices, the model relationship between the effect of change in the aggregate price of the building materials and the consequent change in the residential house rent should be adopted in the management of building projects; for effective forecast and planning of the projects towards sustainable delivery in the study area.
机译：建筑材料价格波动的波动使得在尼日利亚建立项目管理方面取得的价格预测。鉴于此，该研究审查了价格不断增加的原因，以及对研究区建设项目的价格波动的含义。调查研究设计用于收集该研究信息的是非参数性的。使用Chi-Square和Likert Scale进行分析数据，以分别对价格波动中涉及的各种因素进行排名，以及分别对建筑项目的变化的影响。其他分析工具是价格指数的价格指数，这些工具的价格与平均时数量的价格，以及简单的回归分析对建筑材料平均价格的变化与过去十年内的平均房屋租金之间的关系之间的关系。调查结果显示，随着其他人之间的经济因素，通胀，需求和供应力和汇率以及负责研究领域的建筑材料价格波动的最重要人物。预测和规划困难，项目成本超支以及短缺和高昂的住宿成本，发现是建筑材料价格波动的最常见效果。此外，平均未加权的总价格指数和每个成功年度的平均房屋租金指数分别为11.02％和8.73％。然而，建筑材料总价的增加造成了房屋租金大约比例增加，特别是在该期间的早期部分。因此，变量具有与Y = 5776 + 0.98x_（i）的回归模型的正和线性关系，如equ.6。因此，建议在政府和建筑利益攸关方鼓励研究，开发和改善当地物质资源，并在进口尼日利亚基本建筑材料的立法文书中鼓励。尽管如此，建筑材料总价格变化与住宅租金总价变化的效果与住宅租金的变化之间的模型关系，应在建筑项目管理方面采用适当的框架。有效预测和规划研究区域可持续交付项目。

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