以信任、感知风险和创新开放度理论为基础,构建影响中小企业科技服务购买意愿的概念框架并提出研究假设予以论证。以324家宁波中小企业为样本进行实证研究,结果表明：供应商信任(认知信任、情感信任)对企业科技服务购买意愿具有显著正向影响,而感知风险对企业科技服务购买意愿产生显著负向影响；供应商信任与科技服务感知风险之间具有显著负相关关系,且情感信任维度相关性更高；创新开放度对供应商情感信任、感知风险与企业科技服务购买意愿关系的调节作用显著。

Based on the theory of trust, perceived risk and innovation openness, this paper constructs a conceptual framework that influences SMEs" purchasing intention of science and technology services, and puts forward research hypothesis to prove it. Taking 324 SMEs in Ningbo as samples, the results show that: supplier trust (including cognitive trust and emotional trust) has a significant positive impact on the purchasing intention of science and technology services of enterprise. While perceived risk has a significant negative impact on the purchasing intention of enterprises" science and technology services. Supplier trust and perceived risk of science and technology services exist a significant negative correlation between them, and the dimension of emotional trust has a higher correlation. Also, innovation openness has a significant moderating effect on the relationship among supplier emotional trust, perceived risk and enterprises" purchasing intention of science and technology services.

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