Criticizes a paper presented at Bureau of Health Manpower Conference on Modelling Techniques and Applications in Dentistry, July 1979. It is argued that data from individual households are more useful than aggregated time series data for estimating a demand curve for dental services. Large investments in obtaining household-level data have been made during the 1970s; these give promise that such data will be readily available in the 1980s. In the interim, studies using data from various insurance plans and household surveys provide the best available evidence on price and insurance elasticities of demand.
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