The use of recycled aggregate concrete can reduce the use of primary resources as well as the amount of waste generated. However, the diffusion of recycled aggregate concrete requires the price competitiveness. This study investigated the question of what the optimal price for recycled aggregate concrete should be in order to be generally accepted and what monetary measures can be taken to increase the willingness to use recycled aggregate concrete. The questions have been examined by applying a randomised controlled factorial design as well as the Price Sensitivity Meter. It has been found that the optimal price corridor for recycled aggregate concrete should lie between 83.3% and 100% of the regional reference price for conventional concrete. In addition, it was found that the reimbursement of additional costs necessary for ensuring the optimal price for recycled aggregate concrete, significantly increases the willingness to use it. The present results suggest that a possible temporary state aid to ensure price competitiveness could increase the use of recycled aggregate concrete and thus reduce the amount of waste generated and primary resource consumption. For the design of a possible monetary aid for the use of recycled aggregate concrete, a simple algorithm has been proposed that minimises possible misincentives and takes into account the proportion of recycled aggregate actually used in concrete relative to the maximum permissible proportion.

使用再生骨料混凝土可以减少初级资源的使用以及产生的废物量。然而，再生骨料混凝土的扩散需要价格竞争力。本研究调查了再生骨料混凝土的最佳价格应该是多少才能被普遍接受以及可以采取哪些货币措施来增加使用再生骨料混凝土的意愿的问题。这些问题已经通过应用随机控制因子设计以及价格敏感度计进行了检查。研究发现，再生骨料混凝土的最佳价格走廊应介于常规混凝土区域参考价格的 83.3% 至 100% 之间。此外，研究发现，为确保再生骨料混凝土的最优价格所必需的额外费用的报销，显着增加了使用它的意愿。目前的结果表明，为确保价格竞争力而可能的临时国家援助可以增加再生骨料混凝土的使用，从而减少产生的废物量和初级资源消耗。为了设计使用再生骨料混凝土的可能的货币援助，已经提出了一种简单的算法，可以最大限度地减少可能的误导，并考虑到混凝土中实际使用的再生骨料的比例相对于最大允许比例。目前的结果表明，为确保价格竞争力而可能的临时国家援助可以增加再生骨料混凝土的使用，从而减少产生的废物量和初级资源消耗。为了设计使用再生骨料混凝土的可能的货币援助，已经提出了一种简单的算法，可以最大限度地减少可能的误导，并考虑到混凝土中实际使用的再生骨料的比例相对于最大允许比例。目前的结果表明，为确保价格竞争力而可能的临时国家援助可以增加再生骨料混凝土的使用，从而减少产生的废物量和初级资源消耗。为了设计使用再生骨料混凝土的可能的货币援助，已经提出了一种简单的算法，可以最大限度地减少可能的误导，并考虑到混凝土中实际使用的再生骨料的比例相对于最大允许比例。