The impact of consumer health information on the demand for health services |
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Authors: | Debra Sabatini Dwyer Hong Liu |
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Affiliation: | 1. Stony Brook University, Department of Health Care Policy and Management, Stony Brook, NY, 11793-8204, USA;2. Central University of Finance and Economics, China Economics and Management Academy, Beijing, 100081, China |
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Abstract: | This paper empirically examines whether consumers use health information, from non-physician information sources, as a substitute or complement for health services – namely for physician visits and emergency room (ER) visits. An indicator of patient trust in physicians is developed and used as a proxy for potential unobserved heterogeneity that may drive both consumers’ propensity to seek information and to use physician services. The results, after correcting for sample selection bias and controlling for unobserved heterogeneity, concur with the literature, that consumer health information increases the likelihood of visiting a physician as well as the frequency of visits on average. However, low-trust consumers tend to substitute self-care through consumer health information for physician services. Further, better-informed consumers make significantly fewer ER visits suggesting that information may be improving efficiency in the market. |
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