Consumerism arises when patients acquire and use medical information from sources apart from their physicians, such as the Internet and direct-to-patient advertising. Consumerism has been hailed as a means of improving quality. This need not be the result. Consumerist patients place additional demands on their doctors' time, thus imposing a negative externality on other patients. Our theoretical model has the physician treat both consumerist and ordinary patient under a binding time budget. Relative to a world in which consumerism does not exist, consumerism is never Pareto improving, and in some cases harms both consumerist and ordinary patients. Data from a large national survey of physicians shows that high levels of consumerism are associated with lower perceived quality. Three different measures of quality were employed. The analysis uses instrumental variables to control for the endogeneity of consumerism. A control function approach is employed, since our dependent variable is ordered and categorical, not continuous.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
14350.
Length: Date of creation: Sep 2008 Date of revision: Handle: RePEc:nbr:nberwo:14350
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Find related papers by JEL classification: D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information I11 - Health, Education, and Welfare - - Health - - - Analysis of Health Care Markets I12 - Health, Education, and Welfare - - Health - - - Health Production
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