On self-selection biases in online product reviews

• Main Authors: HU, Nan, PAVLOU, Paul A., ZHANG, Jie
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2017
• Subjects: Online product reviews; self-selection biases; product uncertainty; product quality; product value; consumer behavior; electronic commerce; analytical modeling; econometric models; sales forecasting; Databases and Information Systems; E-Commerce; Numerical Analysis and Scientific Computing
• Online Access: https://ink.library.smu.edu.sg/sis_research/8012; https://ink.library.smu.edu.sg/context/sis_research/article/9015/viewcontent/06_13197_ra_hupavlou_pv.pdf
• Institution: Singapore Management University

Online product reviews help consumers infer product quality, and the mean (average) rating is often used as a proxy for product quality. However, two self-selection biases, acquisition bias (mostly consumers with a favorable predisposition acquire a product and hence write a product review) and unde...