Responsiveness of demand for structural pine to changes in timber and steel prices: A study using the FWPA softwood data series

Overview \r\n This technical report estimates the responsiveness of demand for structural pine to changes in timber and steel prices. Measures of demand responsiveness can provide valuable insights into the potential implications of changes in policy or market settings on volumes and prices received by producers. The analysis focuses on estimating short-term price elasticities of demand--a formal measure of the sensitivity of demand--to changes in prices in the same quarter or recent past. \r\n\r\n Key Issues \r\n The estimates in this report suggest that the importance of timber and steel prices on the quantity of structural timber demanded in the short-run is limited. However, the volume of residential construction activity was found to have a substantial effect for demand of domestically produced structural pine products. In particular, new house commencements explain a great deal of the quarter-on-quarter changes in the quantity of domestic structural pine sales. This confirms the common assertion by industry that house commencements are the primary driver for structural timber demand within Australia. \r\n\r\n Looking forward, changes in consumer preferences, socio-demographic trends and building regulations will likely play a much greater role in the choice of building materials used in housing construction compared with timber and steel prices. Trends suggest consumers are placing more weight on the environmental benefits of structural materials. Changing architectural styles will change the material requirements for a standard home. A global trend towards higher-density living will likely promote a shift toward multi-unit buildings, with recent changes to the National Construction Code opening the way for increased timber use in the midrise construction market, leading to greater timber use in multi-level buildings. \r\n

概述
本技术报告针对结构用松木（structural pine）的需求对木材及钢材价格变动的响应程度进行估算。需求响应程度的测算可为政策或市场环境变化对生产商所获销量与价格的潜在影响提供宝贵洞见。本次分析聚焦于估算短期需求价格弹性（price elasticities of demand）——即衡量需求敏感度的标准化指标——针对当季或近期价格变动的响应情况。

核心议题
本报告的估算结果显示，短期来看，木材与钢材价格对结构用木材需求量的影响较为有限。不过，住宅建筑活动总量对本土生产的结构用松木产品的需求具有显著影响。具体而言，新房开工量能够解释本土结构用松木销量环比变化的绝大部分。这印证了行业内的普遍观点：在澳大利亚，新房开工量是结构用木材需求的核心驱动因素。

展望未来
相较于木材与钢材价格，消费者偏好变化、社会人口趋势以及建筑法规的调整，或将在住宅建筑所用建材的选择中发挥更为关键的作用。相关趋势显示，消费者愈发重视结构建材的环保效益。建筑风格的演变将改变普通住宅的建材需求。全球范围内的高密度居住趋势或将推动住宅向多单元建筑转型；近期《国家建筑规范（National Construction Code）》的修订为中层建筑市场扩大木材使用扫清了障碍，进而促使多层建筑中木材的使用量进一步提升。