Assessing product and warranty sales: Impact of assessments and supply chains

Keang Zhang, Tao Zhang, Shang Gao

Abstract: Highlights•Optimization of pricing strategies for both the product and its extended warranty within the context of online assessments.•Classification of online assessments into unbiased objective and biased assessments.•Analysis of scenarios where biased assessments lead to customer overestimation or underestimation of product quality.•Development and exploration of two distinct supply chain structures.•Introduction and exploration of sponsorship to investigate the endogeneity of biased assessments.