' behavior and firms' incentives to upgrade product quality in markets where information is traditionally limited. I first build … a model of consumer search with firms' endogenous quality decisions. In this model, lower search costs reallocate demand … toward higher-quality producers, raising firms' incentives to upgrade quality, and more so for firms selling ex-ante lower-quality …

Background: The aim of this study was to investigate the relationship between the quality of public health insurance … the two-stage least-squares model to explore the impact and heterogeneity of the quality of public health insurance on … individuals' consumption structure upgrades. Furthermore, we performed structural equation modelling to clarify the mediation …